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Timezone converter
GMT to UTC currently uses Greenwich Mean Time in Europe/London and Coordinated Universal Time (UTC) in Etc/UTC as the live reference pair, with a -1h live gap. GMT and UTC are functionally interchangeable for civil-time use, but they are not the same standard. This page makes the distinction explicit so logs, contracts, and broadcast schedules pick the one their downstream system actually expects.
Last updated recently. Offset math, DST behavior, and city coverage on both sides are refreshed from the live timezone dataset during the page revalidation window.
From
Greenwich Mean Time
Europe/London · GMT+1 +01:00
Major markets in this grouping include London, Abidjan, Bamako, Dakar.
To
Coordinated Universal Time (UTC)
Etc/UTC · UTC +00:00
This grouping is currently anchored by the reference zone Etc/UTC.
Current gap
-1h
GMT +01:00 vs UTC +00:00
9-to-5 overlap
7h
GMT 10:00 AM previous day to 5:00 PM previous day
Representative countries
United Kingdom, Ivory Coast, and Mali / No country breakdown available
Based on the busiest city and zone usage found in the current dataset.
GMT (London, +01:00) to UTC (Etc/UTC, +00:00) is currently a -1h conversion. Live coverage on the GMT side is anchored by London, Abidjan, Bamako, and Dakar; the UTC side draws from Etc/UTC.
GMT and UTC are functionally interchangeable for civil-time use, but they are not the same standard. This page makes the distinction explicit so logs, contracts, and broadcast schedules pick the one their downstream system actually expects.
GMT means Greenwich, UK winter civil time, Iceland, Atlantic islands, and West African zero-offset countries; watch UK bank holidays, Irish public holidays, and West African national calendars. UTC is grounded here by the listed reference zone. The curated side is where most same-offset duplication risk is removed, because it names the civil calendar and operating context users actually mean.
The pair sits -1h apart across Europe and Other, which usually allows a meaningful shared workday on at least one end.
GMT follows seasonal clock changes through Europe/London, while UTC stays on a fixed offset year-round. That asymmetry is the real differentiator on this page: the gap widens or narrows by an hour twice a year, so calendar invites scheduled in one season often look wrong in the other.
GMT and UTC sit exactly 1h apart, leaving a generous 7h of shared 9-to-5 time. With that much overlap, this pair behaves almost like a single workday, so meeting times are negotiable rather than forced into a narrow corner of the calendar.
Reference zone, current offsets, country and city anchors, overlap math, and date-shift answers for GMT to UTC.
Reference pair
Europe/London -> Etc/UTC
Live offsets
GMT +01:00 vs UTC +00:00
Meaning split
Greenwich Mean Time / Coordinated Universal Time (UTC)
Country anchors
United Kingdom, Ivory Coast, and Mali -> No country breakdown available
City anchors
London, Abidjan, Bamako, Dakar -> Etc/UTC
Workday overlap
7h window: GMT 10:00 AM previous day-5:00 PM previous day
Morning answer
9 AM GMT = 8:00 AM UTC, same day
Evening answer
6 PM GMT = 5:00 PM UTC, same day
Same-offset labels can share the same hour while still landing in different countries, calendars, cities, and workday windows. These notes show the practical context behind this conversion.
GMT to UTC is pinned to Europe/London -> Etc/UTC, with the shorthand labels shown as context. The city anchors are London, Abidjan, Bamako, Dakar on the GMT side and Etc/UTC on the UTC side, with -1h between the live reference zones.
The 12 popular-hour answers include 12 same-day conversions, 0 next-day conversions, and 0 previous-day conversions. That distribution is what separates this page from a static offset chart.
Nearby labels sharing a current offset include WAT (From side), WEST (From side), WET (From side), AZOST (To side), AZOT (To side). They may match mathematically, but their country calendars, city anchors, and common search intent differ from this exact pair.
GMT: United Kingdom (GB); 863 mapped cities; capital London; English; GBP British pound | GMT: Ivory Coast (CI); 183 mapped cities; capital Yamoussoukro; French; XOF West African CFA franc | GMT: Mali (ML); 59 mapped cities; capital Bamako; French; XOF West African CFA franc | GMT: Senegal (SN); 70 mapped cities; capital Dakar; French; XOF West African CFA franc | GMT: Ghana (GH); 102 mapped cities; capital Accra; English; GHS Ghanaian cedi | UTC: ; 0 mapped cities; languages unavailable; currency unavailable
Offset behavior, DST gap changes, local calendar evidence, and the day-shift pattern across the most common conversion hours.
GMT/UTC is a short-haul offset gap: Europe/London currently reads +01:00, Etc/UTC reads +00:00, and the live delta is -1h. This class decides whether the page behaves like a same-day planner or a handoff planner.
Europe/London changes from +01:00 (GMT+1) to +00:00 (GMT) on October 25, 2026 at about 1:00 AM.
No country holiday snapshot is attached to this exact pair yet, so the page leans on city anchors, IANA zones, offsets, and the live conversion table instead of pretending a local calendar exists.
Across the 12 popular-hour answers, this pair has 12 same-day answers, 0 next-day answers, 0 previous-day answers. That mix is specific to the current Europe/London -> Etc/UTC relationship and helps users see whether dates must be written explicitly in invites, travel plans, and release schedules.
Same-offset converter clusters can look identical if the page only shows a numeric offset. This audit states whether the route should be indexed, which canonical peer it follows when consolidated, and what pair-specific evidence keeps the page useful.
This pair is crawlable but marked noindex,follow because it is too close to a stronger canonical converter. Internal links can still pass users and crawlers to the useful answer without asking Google to index another near-duplicate.
GMT and UTC are not currently a same-offset pair; the live delta is -1h. Same-offset neighbors are still listed because users often confuse nearby abbreviations.
WAT (From side, +01:00), WEST (From side, +01:00), WET (From side, +01:00), AZOST (To side, +00:00), AZOT (To side, +00:00) The page keeps these labels visible so SGT/HKT/GST-style clusters do not blur into one generic offset page.
GMT/UTC uses 12 same-day answers, 0 next-day answers, 0 previous-day answers; 7h strict workday overlap; source zones Europe/London and Etc/UTC; country anchors United Kingdom, Ivory Coast, and Mali -> No country breakdown available.
Common places, calendars, markets, languages, and operating contexts behindGMT and UTC.
GMT
GMT is not just a country clock. In this dataset it spans London, Dublin, Reykjavik, West Africa, Atlantic islands, and reference-style public schedules. It is commonly used as a source label in broadcasts, aviation-adjacent notices, release notes, and public event listings, but software and contracts often prefer UTC or a precise IANA zone.
GMT
For UK-facing planning, GMT needs a seasonal caveat: Europe/London can display British Summer Time while a sender still casually writes GMT. That is why converter pages using GMT should keep the exact reference zone visible instead of pretending the three-letter label is always enough.
UTC
UTC is the neutral technical baseline used for servers, APIs, logs, aviation-adjacent timestamps, and global release notes. It is not a local civil calendar, so the receiving side of a conversion carries the real holiday, language, market, and business-hour context.
UTC
When UTC is paired with a local abbreviation, the useful question is not only the offset. It is whether the local side lands on a business day, a holiday, a same-day handoff, or an overnight date shift.
Same-offset conversions can still land in different public-holiday, language, currency, and city-anchor contexts. These rows use the country profile and holiday snapshots behind each side of the pair.
GMT
863 mapped city anchors; zones Europe/London.capital London; English; GBP British pound
Holiday snapshot: New Year's Day (Jan 1, Public) · 2 January (Jan 2, Public) · Saint Patrick's Day (Mar 17, Public) · Good Friday (Apr 3, Public) · Easter Monday (Apr 6, Public)
GMT
183 mapped city anchors; zones Africa/Abidjan.capital Yamoussoukro; French; XOF West African CFA franc
Holiday snapshot: No holiday snapshot attached for the current year.
GMT
59 mapped city anchors; zones Africa/Bamako.capital Bamako; French; XOF West African CFA franc
Holiday snapshot: No holiday snapshot attached for the current year.
GMT
70 mapped city anchors; zones Africa/Dakar.capital Dakar; French; XOF West African CFA franc
Holiday snapshot: No holiday snapshot attached for the current year.
GMT
102 mapped city anchors; zones Africa/Accra.capital Accra; English; GHS Ghanaian cedi
Holiday snapshot: New Year's Day (Jan 1, Public) · Constitution Day (Jan 7, Public) · Independence Day (Mar 6, Public) · Good Friday (Apr 3, Public) · Easter Monday (Apr 6, Public)
These are the labels most likely to be confused with either side of this conversion. A matching UTC offset does not mean the same country, calendar, market, source convention, or user intent.
GMT and UTC are close enough to be confused in search, but they are not the same clock label and should be pinned to exact IANA zones.
GMT and BST are close enough to be confused in search, but they are not the same clock label and should be pinned to exact IANA zones.
GMT and WAT match on offset right now, but the page should not collapse them: they carry different city anchors, country calendars, currencies, holidays, and user intent.
GMT and WEST match on offset right now, but the page should not collapse them: they carry different city anchors, country calendars, currencies, holidays, and user intent.
GMT and WET match on offset right now, but the page should not collapse them: they carry different city anchors, country calendars, currencies, holidays, and user intent.
GMT and AZOST are close enough to be confused in search, but they are not the same clock label and should be pinned to exact IANA zones.
UTC and GMT are close enough to be confused in search, but they are not the same clock label and should be pinned to exact IANA zones.
UTC and AZOST match on offset right now, but the page should not collapse them: they carry different city anchors, country calendars, currencies, holidays, and user intent.
UTC and AZOT match on offset right now, but the page should not collapse them: they carry different city anchors, country calendars, currencies, holidays, and user intent.
UTC and CVT are close enough to be confused in search, but they are not the same clock label and should be pinned to exact IANA zones.
UTC and GMT-2 are close enough to be confused in search, but they are not the same clock label and should be pinned to exact IANA zones.
UTC and WAT are close enough to be confused in search, but they are not the same clock label and should be pinned to exact IANA zones.
Abbreviations with the same UTC offset can still represent different countries, cities, currencies, languages, and civil-time histories. This roster keeps theGMT to UTC page grounded in those concrete places.
GMT: United Kingdom (GB); 863 mapped cities; zones Europe/London; city anchors London (Europe/London, pop 8,961,989), Birmingham (Europe/London, pop 1,157,603), Glasgow (Europe/London, pop 626,410), Manchester (Europe/London, pop 568,996); official United Kingdom of Great Britain and Northern Ireland; capital London; region Europe; subregion Northern Europe; population 69,281,437; area 244,376 km2; languages English; currency GBP British pound.
GMT: Ivory Coast (CI); 183 mapped cities; zones Africa/Abidjan; city anchors Abidjan (Africa/Abidjan, pop 6,321,017), Abobo (Africa/Abidjan, pop 1,340,083), Bouaké (Africa/Abidjan, pop 832,371), Korhogo (Africa/Abidjan, pop 440,926); official Republic of Côte d'Ivoire; capital Yamoussoukro; region Africa; subregion Western Africa; population 31,719,275; area 322,463 km2; languages French; currency XOF West African CFA franc.
GMT: Mali (ML); 59 mapped cities; zones Africa/Bamako; city anchors Bamako (Africa/Bamako, pop 4,227,569), Sikasso (Africa/Bamako, pop 349,324), Koutiala (Africa/Bamako, pop 218,031), Ségou (Africa/Bamako, pop 205,787); official Republic of Mali; capital Bamako; region Africa; subregion Western Africa; population 22,395,489; area 1,240,192 km2; languages French; currency XOF West African CFA franc.
GMT: Senegal (SN); 70 mapped cities; zones Africa/Dakar; city anchors Dakar (Africa/Dakar, pop 2,646,503), Touba (Africa/Dakar, pop 1,120,824), Pikine (Africa/Dakar, pop 874,062), Guédiawaye (Africa/Dakar, pop 329,659); official Republic of Senegal; capital Dakar; region Africa; subregion Western Africa; population 18,593,258; area 196,722 km2; languages French; currency XOF West African CFA franc.
GMT: Ghana (GH); 102 mapped cities; zones Africa/Accra; city anchors Kumasi (Africa/Accra, pop 2,544,530), Accra (Africa/Accra, pop 1,963,264), Tamale (Africa/Accra, pop 464,316), Takoradi (Africa/Accra, pop 389,114); official Republic of Ghana; capital Accra; region Africa; subregion Western Africa; population 33,742,380; area 238,533 km2; languages English; currency GHS Ghanaian cedi.
UTC: ; 0 mapped cities; zones Etc/UTC; city anchors not listed; country-profile snapshot unavailable.
Same-offset converter pages can look deceptively alike. These records pin the page to the exact abbreviations, IANA zones, countries, and city anchors behind GMT and UTC.
GMT (gmt) is not marked ambiguous in the abbreviation catalog. Meaning records: Greenwich Mean Time at UTC+00:00; listed zones Africa/Abidjan; Africa/Bamako; Africa/Bissau; Africa/Conakry; Africa/Dakar; America/Danmarkshavn; Africa/Freetown; Atlantic/St Helena; Africa/Accra; Africa/Lome; Africa/Monrovia; Africa/Nouakchott; source label Greenwich Mean Time - Abidjan, Abobo, Bouaké, Korhogo.
GMT currently maps to 8 country footprints in the converter dataset: United Kingdom (GB), Ivory Coast (CI), Mali (ML), Senegal (SN), Ghana (GH), Burkina Faso (BF), Togo (TG), Guinea (GN). The footprint spans 8 IANA zones across 10 city anchors.
GMT city anchors in this indexed page family: London [london-GB, GB, Europe/London, pop 8,961,989]; Abidjan [abidjan-CI, CI, Africa/Abidjan, pop 6,321,017]; Bamako [bamako-ML, ML, Africa/Bamako, pop 4,227,569]; Dakar [dakar-SN, SN, Africa/Dakar, pop 2,646,503]; Kumasi [kumasi-GH, GH, Africa/Accra, pop 2,544,530]; Ouagadougou [ouagadougou-BF, BF, Africa/Ouagadougou, pop 2,415,266]; Lomé [lome-TG, TG, Africa/Lome, pop 2,188,376]; Accra [accra-GH, GH, Africa/Accra, pop 1,963,264]; Conakry [conakry-GN, GN, Africa/Conakry, pop 1,928,389]; Camayenne [camayenne-GN, GN, Africa/Conakry, pop 1,871,242].
GMT: United Kingdom (GB); 863 mapped cities; zones Europe/London; city anchors London (Europe/London, pop 8,961,989), Birmingham (Europe/London, pop 1,157,603), Glasgow (Europe/London, pop 626,410), Manchester (Europe/London, pop 568,996); official United Kingdom of Great Britain and Northern Ireland; capital London; region Europe; subregion Northern Europe; population 69,281,437; area 244,376 km2; languages English; currency GBP British pound. GMT: Ivory Coast (CI); 183 mapped cities; zones Africa/Abidjan; city anchors Abidjan (Africa/Abidjan, pop 6,321,017), Abobo (Africa/Abidjan, pop 1,340,083), Bouaké (Africa/Abidjan, pop 832,371), Korhogo (Africa/Abidjan, pop 440,926); official Republic of Côte d'Ivoire; capital Yamoussoukro; region Africa; subregion Western Africa; population 31,719,275; area 322,463 km2; languages French; currency XOF West African CFA franc. GMT: Mali (ML); 59 mapped cities; zones Africa/Bamako; city anchors Bamako (Africa/Bamako, pop 4,227,569), Sikasso (Africa/Bamako, pop 349,324), Koutiala (Africa/Bamako, pop 218,031), Ségou (Africa/Bamako, pop 205,787); official Republic of Mali; capital Bamako; region Africa; subregion Western Africa; population 22,395,489; area 1,240,192 km2; languages French; currency XOF West African CFA franc. GMT: Senegal (SN); 70 mapped cities; zones Africa/Dakar; city anchors Dakar (Africa/Dakar, pop 2,646,503), Touba (Africa/Dakar, pop 1,120,824), Pikine (Africa/Dakar, pop 874,062), Guédiawaye (Africa/Dakar, pop 329,659); official Republic of Senegal; capital Dakar; region Africa; subregion Western Africa; population 18,593,258; area 196,722 km2; languages French; currency XOF West African CFA franc. GMT: Ghana (GH); 102 mapped cities; zones Africa/Accra; city anchors Kumasi (Africa/Accra, pop 2,544,530), Accra (Africa/Accra, pop 1,963,264), Tamale (Africa/Accra, pop 464,316), Takoradi (Africa/Accra, pop 389,114); official Republic of Ghana; capital Accra; region Africa; subregion Western Africa; population 33,742,380; area 238,533 km2; languages English; currency GHS Ghanaian cedi.
UTC (utc) is not marked ambiguous in the abbreviation catalog. Meaning records: Coordinated Universal Time (UTC) at UTC+00:00; listed zones Etc/UTC; source label Coordinated Universal Time (UTC).
UTC currently maps to 1 country footprint in the converter dataset: none listed. The footprint spans 1 IANA zone across 0 city anchors.
UTC: ; 0 mapped cities; zones Etc/UTC; city anchors not listed; country-profile snapshot unavailable.
GMT started as Greenwich Mean Time and now lives a double life: a civil-time label still used by the UK and parts of West Africa in winter, and a casual synonym for UTC in broadcasting and public schedules. The two roles overlap most of the time, but precise work treats them as distinct. The busiest cities using GMT in the current catalog are London, Abidjan, Bamako, Dakar, and Kumasi. The lead live reference on this page is London (Europe/London), currently at +01:00 (GMT+1). Those cities are what give GMT its actual feel rather than the abstract offset. GMT has a local identity beyond its offset: Greenwich, UK winter civil time, Iceland, Atlantic islands, and West African zero-offset countries. Calendar signals such as UK bank holidays, Irish public holidays, West African national calendars, and Icelandic no-DST scheduling and operational signals such as broadcast timestamps, public event listings, shipping and aviation-adjacent notices, and release notes written for a general audience are why this abbreviation should not be flattened into a same-offset neighbor. GMT currently shows +01:00, but Europe/London observes seasonal clock changes — the next transition is around October 25, 2026. That means the offset on this page is a snapshot, not a permanent fact, so long-range scheduling should pin the underlying IANA zone instead of the abbreviation.
GMT is not heavily split in the current catalog, but the short label still hides the underlying IANA zone and any future policy change. The safe pattern is to write the abbreviation for humans and the zone for machines. GMT behaves as a civil label in several places and as a public shorthand for UTC elsewhere; systems should store UTC or an IANA zone when the distinction matters. Not the same as GST, HKT, or SGT: GMT is a zero-offset reference family, not a Gulf, Hong Kong, or Singapore civil calendar. Europe/London has an upcoming offset change on October 25, 2026. After that point, GMT on this page will read a different UTC offset until the next transition, so any saved timestamp should anchor to the IANA zone rather than the abbreviation. GMT remains common in public schedules and broadcasting, while software teams almost always prefer UTC or an explicit IANA zone. The two are not technically identical (GMT is a civil-time label observed in winter; UTC is a continuously-corrected atomic standard), but they are close enough that mixing them rarely breaks anything in practice.
GMT should not be blindly swapped with nearby labels. Adjacent references in the catalog: UTC (+00:00, Often compared as a zero-offset reference); BST (+06:00, Shares the greenwich time family); WAT (+01:00, Currently sits on the same UTC offset); WEST (+01:00, Currently sits on the same UTC offset); WET (+01:00, Currently sits on the same UTC offset); AZOST (+00:00, Runs on a nearby UTC offset).
GMT has 1 meaning record, offset range UTC+00:00 to UTC+02:00, labels Greenwich Mean Time, and 22 country footprints across 22 IANA zones.
UTC is the neutral baseline used by servers, APIs, aviation, and software logs. Unlike city-based civil time labels, it is a reference standard first and a local clock label second, which is why timestamps stored as UTC stay correct even when local rules change. This page uses Etc/UTC as the live reference at +00:00 (UTC). UTC works more as a reference label here than as a city-anchored civil-time label, so the IANA zone is what carries the practical weight. UTC is stable on Etc/UTC year-round, with no seasonal clock changes in the next year. That makes it a low-friction choice for recurring meetings and broadcast schedules — but software still prefers the IANA zone because governments can change civil-time rules independently of the short code.
UTC is not heavily split in the current catalog, but the short label still hides the underlying IANA zone and any future policy change. The safe pattern is to write the abbreviation for humans and the zone for machines. Etc/UTC sits on UTC year-round in current rules, which makes UTC unusually stable for cross-system timestamps. Even so, civil-time policy can change, so an explicit zone reference is still the safest store. UTC works well as a global baseline, but it does not tell you whether a local place follows daylight saving time. That is why city pages still need IANA zones — UTC is the storage primitive, not the local-clock answer.
UTC should not be blindly swapped with nearby labels. Adjacent references in the catalog: GMT (+01:00, Often compared as a zero-offset reference); AZOST (+00:00, Currently sits on the same UTC offset); AZOT (+00:00, Currently sits on the same UTC offset); CVT (-01:00, Runs on a nearby UTC offset); GMT-2 (-01:00, Runs on a nearby UTC offset); WAT (+01:00, Runs on a nearby UTC offset).
UTC has 1 meaning record, offset range UTC+00:00, labels Coordinated Universal Time (UTC), and 0 country footprints across 1 IANA zone.
GMT country anchor United Kingdom: The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in northwestern Europe, off the coast of the continental mainland. It comprises England, Scotland, Wales and Northern Ireland, with a population of over 69 million in 2024. The UK includes the island of Great Britain, the north-eastern part of the island of Ireland, and most of the smaller islands within the British Isles, covering 94,354 square miles (244,376 km2). It shares a land border with the Republic of Ireland and is surrounded by the Atlantic Ocean, the North Sea, the English Channel, the Celtic Sea and the Irish Sea, while maintaining sovereignty over the Crown Dependencies and the British Overseas Territories. The capital and largest city of England and the UK is London; Edinburgh, Cardiff and Belfast are the national capitals of Scotland, Wales and Northern Ireland, respectively. Source: Wikipedia.
GMT is not just a country clock. In this dataset it spans London, Dublin, Reykjavik, West Africa, Atlantic islands, and reference-style public schedules. It is commonly used as a source label in broadcasts, aviation-adjacent notices, release notes, and public event listings, but software and contracts often prefer UTC or a precise IANA zone.
For UK-facing planning, GMT needs a seasonal caveat: Europe/London can display British Summer Time while a sender still casually writes GMT. That is why converter pages using GMT should keep the exact reference zone visible instead of pretending the three-letter label is always enough.
UTC is the neutral technical baseline used for servers, APIs, logs, aviation-adjacent timestamps, and global release notes. It is not a local civil calendar, so the receiving side of a conversion carries the real holiday, language, market, and business-hour context.
When UTC is paired with a local abbreviation, the useful question is not only the offset. It is whether the local side lands on a business day, a holiday, a same-day handoff, or an overnight date shift.
GMT/UTC uses Europe/London -> Etc/UTC, offset delta -1h, overlap 7h, route /convert/gmt/utc/, and live abbreviation readings GMT+1/UTC.
Reference fields include this converter pair's abbreviation records, representative IANA zones, current offsets, city anchors, country profiles, overlap math, conversion examples, and dossier notes.
GMT coverage on this page is led by London, United Kingdom, Abidjan, Ivory Coast, Bamako, Mali, and Dakar, Senegal, with 2 more in the live dataset. That mix is what makes GMT feel anchored to European working-day rhythms in practice rather than just an abbreviation on a chart. Local signals include broadcast timestamps, public event listings, and shipping and aviation-adjacent notices.
Adjust the time. Digits roll like an odometer, and the swap button flips the zones.
Quick conversions for 9 AM, noon, 3 PM, 6 PM, and 9 PM based on today's local calendar.
| GMT | UTC | Day relation |
|---|---|---|
| 9:00 AM | 8:00 AMSun, May 31 | same day |
| 12:00 PM | 11:00 AMSun, May 31 | same day |
| 3:00 PM | 2:00 PMSun, May 31 | same day |
| 6:00 PM | 5:00 PMSun, May 31 | same day |
| 9:00 PM | 8:00 PMSun, May 31 | same day |
Quick conversions for 9 AM, noon, 3 PM, 6 PM, and 9 PM based on today's local calendar.
| UTC | GMT | Day relation |
|---|---|---|
| 9:00 AM | 10:00 AMSun, May 31 | same day |
| 12:00 PM | 1:00 PMSun, May 31 | same day |
| 3:00 PM | 4:00 PMSun, May 31 | same day |
| 6:00 PM | 7:00 PMSun, May 31 | same day |
| 9:00 PM | 10:00 PMSun, May 31 | same day |
GMT to UTC ranges from GMT 9:00 AM (which lands at UTC 8:00 AM) through GMT 9:00 PM (UTC 8:00 PM). GMT and UTC are close enough that this direction reads almost like a same-zone schedule — most GMT invites land on a sensible UTC hour without any extra effort.
UTC to GMT ranges from UTC 9:00 AM (which lands at GMT 10:00 AM) through UTC 9:00 PM (GMT 10:00 PM). UTC and GMT are close enough that this direction reads almost like a same-zone schedule — most UTC invites land on a sensible GMT hour without any extra effort.
These direct answers are here for the exact-intent searches people actually use, like “10 AM GMT to UTC” or “4 PM GMT in UTC”.
8 AM GMT = 7:00 AM UTC (07:00). On today's live calendar that lands on Sun, May 31 in UTC, which means the answer is a same day conversion rather than a static offset lookup.
9 AM GMT = 8:00 AM UTC (08:00). On today's live calendar that lands on Sun, May 31 in UTC, which means the answer is a same day conversion rather than a static offset lookup.
10 AM GMT = 9:00 AM UTC (09:00). On today's live calendar that lands on Sun, May 31 in UTC, which means the answer is a same day conversion rather than a static offset lookup.
11 AM GMT = 10:00 AM UTC (10:00). On today's live calendar that lands on Sun, May 31 in UTC, which means the answer is a same day conversion rather than a static offset lookup.
12 PM GMT = 11:00 AM UTC (11:00). On today's live calendar that lands on Sun, May 31 in UTC, which means the answer is a same day conversion rather than a static offset lookup.
1 PM GMT = 12:00 PM UTC (12:00). On today's live calendar that lands on Sun, May 31 in UTC, which means the answer is a same day conversion rather than a static offset lookup.
2 PM GMT = 1:00 PM UTC (13:00). On today's live calendar that lands on Sun, May 31 in UTC, which means the answer is a same day conversion rather than a static offset lookup.
3 PM GMT = 2:00 PM UTC (14:00). On today's live calendar that lands on Sun, May 31 in UTC, which means the answer is a same day conversion rather than a static offset lookup.
4 PM GMT = 3:00 PM UTC (15:00). On today's live calendar that lands on Sun, May 31 in UTC, which means the answer is a same day conversion rather than a static offset lookup.
5 PM GMT = 4:00 PM UTC (16:00). On today's live calendar that lands on Sun, May 31 in UTC, which means the answer is a same day conversion rather than a static offset lookup.
6 PM GMT = 5:00 PM UTC (17:00). On today's live calendar that lands on Sun, May 31 in UTC, which means the answer is a same day conversion rather than a static offset lookup.
9 PM GMT = 8:00 PM UTC (20:00). On today's live calendar that lands on Sun, May 31 in UTC, which means the answer is a same day conversion rather than a static offset lookup.
The live gap is -1h right now, based on Europe/London at +01:00 and Etc/UTC at +00:00. Europe/London changes offset on October 25, 2026, so the gap moves to +0h after that transition.
The most usable workday block right now is about 7 hours: GMT 10:00 AM previous day to 5:00 PM previous day, which lines up with UTC 9:00 AM previous day to 4:00 PM previous day.
Europe/London
GMT+1 · +01:00
Etc/UTC
UTC · +00:00
These are the busiest live references selected from the abbreviation families on this page.
| GMT | UTC |
|---|---|
| 01:00 | 00:00 |
| 02:00 | 01:00 |
| 03:00 | 02:00 |
| 04:00 | 03:00 |
| 05:00 | 04:00 |
| 06:00 | 05:00 |
| 07:00 | 06:00 |
| 08:00 | 07:00 |
| 09:00 | 08:00 |
| 10:00 | 09:00 |
| 11:00 | 10:00 |
| 12:00 | 11:00 |
| 13:00 | 12:00 |
| 14:00 | 13:00 |
| 15:00 | 14:00 |
| 16:00 | 15:00 |
| 17:00 | 16:00 |
| 18:00 | 17:00 |
| 19:00 | 18:00 |
| 20:00 | 19:00 |
| 21:00 | 20:00 |
| 22:00 | 21:00 |
| 23:00 | 22:00 |
| 00:00 | 23:00 |
Countries represented here include United Kingdom, Ivory Coast, and Mali.
Countries represented here include No country breakdown available.
Once a conversion pair matters, people usually need a city page, compare page, or a broader browse surface next.
Interactive converter
Move from this static pair into the full timezone converter with more cities and abbreviations.
Compare city pairs
Use compare pages when the practical question is overlap, not just offset arithmetic.
World clock
Open live city clocks after narrowing the timezone pair you care about.
Browse city pages
Jump into the strongest city pages when you want location-specific timezone context.
