ACT to I Converter
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Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
8:00 pm20:00 ACT (UTC+8), Oct 23, 2026 = 9:00 pm21:00 I (UTC+9), Oct 23, 2026
ACT is 1 hour behind I.
ACT and I examples
These examples always use ACT (UTC+8) and I (UTC+9). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
ACT is 1 hour behind I.
How the time difference changes
ACT is 1 hour behind I year-round.
Working hours of 9:00 am to 6:00 pm in ACT correspond to 10:00 am to 7:00 pm in I.Working hours of 09:00 to 18:00 in ACT correspond to 10:00 to 19:00 in I.
Compare ACT time with I time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
ASEAN Common Time is 1 hour behind India Time Zone.
8:00 pm20:00 in ACT is 9:00 pm21:00 in I
ACT to I call time
Best time for a conference call or a meeting is between 9am-5pm09:00-17:00 in ACT which corresponds to 10am-6pm10:00-18:00 in I
8:00 pm20:00 ASEAN Common Time (ACT). Offset UTC +8:00 hours
9:00 pm21:00 India Time Zone (I). Offset UTC +9:00 hours
8:00 pm20:00 ACT / 9:00 pm21:00 I
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.
| ACT | I |
|---|---|
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| 12:00am next day | |
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| 23:00 | |
| 00:00 next day |
ASEAN Common Time
Offset: ACT is 8 hours ahead of Greenwich Mean Time (GMT).
Daylight Saving: Clocks in ASEAN Common Time (ACT) do not change for daylight saving time, so ACT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
ACT 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 ACT
- 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
India Time Zone
Offset: I is 9 hours ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Indonesia, Japan, North Korea, Palau, Russia, South Korea, Timor-Leste
Principal Cities: The largest city in the I time zone is Seoul in South Korea, with about 10.349 million people. Other major cities in this time zone include Tokyo, Yokohama, Busan, Pyongyang.
Daylight Saving: Clocks in India Time Zone (I) do not change for daylight saving time, so I stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
I representations, usage and related time zones
- +09 - basic short
- +0900 - basic
- +09:00 - extended
- +0900 - sign character (+) followed by a four digit time providing hours (09) and minutes (00) of the offset. Indicates an offset of nine hours to the east of the zero meridian.
- India - Military abbreviation for I
- I - short form of 'India'
- AWDT - Australian Western Daylight Time
- CHOST - Choibalsan Summer Time
- I - India Time Zone
- IRKST - Irkutsk Summer Time
- JST - Japan Standard Time
- KST - Korea Standard Time
- PWT - Palau Time
- TLT - East Timor Time
- ULAST - Ulaanbaatar Summer Time
- WIT - Eastern Indonesian Time
- YAKT - Yakutsk Time