Choibalsan Time (CHOT)

Choibalsan Time (CHOT) operates at UTC+8 year-round and is used in Mongolia's eastern provinces, particularly Dornod and Sükhbaatar. Sometimes referred to as "Eastern Mongolia Time," CHOT does not observe daylight saving time and shares the same UTC offset as Ulaanbaatar Time, though it is locally distinguished to reflect its regional use.

Importance and Global Use of CHOT

Choibalsan Time (CHOT) is important for maintaining consistent public administration, education, transport, and local services in Mongolia's eastern regions. With a stable UTC+8 offset, CHOT supports efficient coordination of community life, business activities, and government functions in provinces far from the national capital.

On a global level, CHOT helps Mongolia align with regional partners such as China and other East Asian countries that also operate on UTC+8. This alignment benefits trade, cross-border cooperation, and international travel, strengthening the eastern provinces' integration with regional and global networks.

Where and When CHOT is used worldwide

Asia

Area of Mongolia using CHOT all year:

• Dornod Province
• Sükhbaatar Province

Other Time Zones in UTC +8

Other time zones share the same offset as Choibalsan Time (CHOT), but are known by different names. While their clocks align, they may represent different regions or countries based on local time zone definitions.

• Australian Western Standard Time – AWST
• Brunei Darussalam Time – BNT
• Casey Time – CAST
• China Standard Time – CST
• Hong Kong Time – HKT
• Irkutsk Time – IRKT
• Malaysia Time – MYT
• Philippine Standard Time – PHST
• Singapore Time – SGT
• Ulaanbaatar Time – ULAT
• Central Indonesian Time – WITA