GMT+5 resolves cleanly here, but Asian labels often share letters with American or European ones — IST is shared between India and Israel, for instance. Pinning Asia/Almaty avoids that whole class of confusion.
Asia/Almaty does not show an offset change in the next year, which makes GMT+5 predictable for short-term scheduling. Predictable is not the same as permanent — civil-time rules still get changed by governments on relatively short notice.
For precise work, the safest equivalent of GMT+5 is the exact IANA zone used by your city or system. Asia/Almaty sits at +05:00, ahead of UTC, which means daily logs in this zone reach a new calendar date before UTC does — a small detail that breaks date-based reporting if missed.
Within this single zone (Asia/Almaty, +05:00), GMT+5 is unambiguous, so the abbreviation and the IANA zone effectively interchange.