IRKT to CST Asia Converter
Start by searching for a time zone, city, or town.
Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
8:00 pm20:00 IRKT (UTC+8), Oct 27, 2026 = 8:00 pm20:00 CST (UTC+8), Oct 27, 2026
IRKT and CST have the same local time.
IRKT and CST examples
These examples always use IRKT (UTC+8) and CST (UTC+8). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
IRKT and CST have the same local time.
How the time difference changes
IRKT and CST Asia have the same time year-round.
Working hours of 9:00 am to 6:00 pm in IRKT correspond to 9:00 am to 6:00 pm in CST Asia.Working hours of 09:00 to 18:00 in IRKT correspond to 09:00 to 18:00 in CST Asia.
Compare IRKT time with CST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Irkutsk Time and China Standard Time have the same local time.
8:00 pm20:00 in IRKT is 8:00 pm20:00 in CST
IRKT to CST call time
Best time for a conference call or a meeting is between 9am-6pm09:00-18:00 in IRKT which corresponds to 9am-6pm09:00-18:00 in CST
8:00 pm20:00 Irkutsk Time (IRKT). Offset UTC +8:00 hours
8:00 pm20:00 China Standard Time (CST). Offset UTC +8:00 hours
8:00 pm20:00 IRKT / 8:00 pm20:00 CST
Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.
| IRKT | CST |
|---|---|
| 12:00am | |
| 1:00am | |
| 2:00am | |
| 3:00am | |
| 4:00am | |
| 5:00am | |
| 6:00am | |
| 7:00am | |
| 8:00am | |
| 9:00am | |
| 10:00am | |
| 11:00am | |
| 12:00pm | |
| 1:00pm | |
| 2:00pm | |
| 3:00pm | |
| 4:00pm | |
| 5:00pm | |
| 6:00pm | |
| 7:00pm | |
| 8:00pm | |
| 9:00pm | |
| 10:00pm | |
| 11:00pm | |
| 00:00 | |
| 01:00 | |
| 02:00 | |
| 03:00 | |
| 04:00 | |
| 05:00 | |
| 06:00 | |
| 07:00 | |
| 08:00 | |
| 09:00 | |
| 10:00 | |
| 11:00 | |
| 12:00 | |
| 13:00 | |
| 14:00 | |
| 15:00 | |
| 16:00 | |
| 17:00 | |
| 18:00 | |
| 19:00 | |
| 20:00 | |
| 21:00 | |
| 22:00 | |
| 23:00 |
Irkutsk Time
Offset: IRKT is 8 hours ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Russia
Principal Cities: The largest city in the IRKT time zone is Irkutsk in Russia, with about 623,869 people. Other major cities in this time zone include Ulan-Ude, Bratsk, Angarsk, Ust’-Ilimsk.
Daylight Saving: Clocks in Irkutsk Time (IRKT) do not change for daylight saving time, so IRKT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
IRKT representations, usage and related time zones
- +08 - basic short
- +0800 - basic
- +08:00 - extended
- +0800 - sign character (+) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates an offset of eight hours to the east of the zero meridian.
- Hotel - Military abbreviation for IRKT
- H - short form of 'Hotel'
- ACT - ASEAN Common Time
- AWST - Australian Western Standard Time
- BNT - Brunei Darussalam Time
- CAST - Casey Time
- CHOT - Choibalsan Time
- CST - China Standard Time
- H - Hotel Time Zone
- HKT - Hong Kong Time
- HOVST - Hovd Summer Time
- IRKT - Irkutsk Time
- KRAST - Krasnoyarsk Summer Time
- MYT - Malaysia Time
- PHT - Philippine Time
- SGT - Singapore Time
- ULAT - Ulaanbaatar Time
- WITA - Central Indonesian Time
China Standard Time
Offset: CST is 8 hours ahead of Greenwich Mean Time (GMT).
Countries using this time zone: China, Macao, Taiwan
Principal Cities: The largest city in the CST time zone is Shanghai in China, with about 24.875 million people. Other major cities in this time zone include Beijing, Shenzhen, Guangzhou, Chengdu.
Daylight Saving: Clocks in China Standard Time (CST) do not change for daylight saving time, so CST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
CST representations, usage and related time zones
- +08 - basic short
- +0800 - basic
- +08:00 - extended
- +0800 - sign character (+) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates an offset of eight hours to the east of the zero meridian.
- Hotel - Military abbreviation for CST
- H - short form of 'Hotel'
- Asia/Chongqing
- Asia/Chungking
- Asia/Harbin
- Asia/Macao
- Asia/Macau
- Asia/Shanghai
- Asia/Taipei
- PRC
- ROC
- Central Standard Time - UTC -6
- China Standard Time - UTC +8
- Cuba Standard Time - UTC -5
- ACT - ASEAN Common Time
- AWST - Australian Western Standard Time
- BNT - Brunei Darussalam Time
- CAST - Casey Time
- CHOT - Choibalsan Time
- CST - China Standard Time
- H - Hotel Time Zone
- HKT - Hong Kong Time
- HOVST - Hovd Summer Time
- IRKT - Irkutsk Time
- KRAST - Krasnoyarsk Summer Time
- MYT - Malaysia Time
- PHT - Philippine Time
- SGT - Singapore Time
- ULAT - Ulaanbaatar Time
- WITA - Central Indonesian Time