IST to Abu Dhabi
India is 1 hour and 30 minutes ahead of Abu Dhabi.
Times may vary due to daylight saving time.Quick answer. Abu Dhabi is 1 hour and 30 minutes behind IST, and that gap never changes. Neither IST nor Abu Dhabi observes daylight saving time, so the same conversion is correct on every date of the year.
Time difference
India Standard Time (IST)
IST UTC+5:30 No DST
Mumbai, Delhi, Bengaluru, Chennai, Kolkata, Hyderabad.
India runs on a single time zone, UTC+5:30, and has not observed daylight saving time since 1945. The half-hour offset is why IST conversions rarely land on a round hour.
Abu Dhabi, United Arab Emirates
GST UTC+4:00 No DST
Abu Dhabi and the rest of the UAE.
IST to Abu Dhabi conversion table
Every hour of the day for 2026. Neither side observes daylight saving, so this table is correct on every date of the year.
| IST | Abu Dhabi | 24-hour |
|---|---|---|
| 12 AM | 10:30 PM −1 day | 22:30 |
| 1 AM | 11:30 PM −1 day | 23:30 |
| 2 AM | 12:30 AM | 00:30 |
| 3 AM | 1:30 AM | 01:30 |
| 4 AM | 2:30 AM | 02:30 |
| 5 AM | 3:30 AM | 03:30 |
| 6 AM | 4:30 AM | 04:30 |
| 7 AM | 5:30 AM | 05:30 |
| 8 AM | 6:30 AM | 06:30 |
| 9 AM | 7:30 AM | 07:30 |
| 10 AM | 8:30 AM | 08:30 |
| 11 AM | 9:30 AM | 09:30 |
| 12 PM | 10:30 AM | 10:30 |
| 1 PM | 11:30 AM | 11:30 |
| 2 PM | 12:30 PM | 12:30 |
| 3 PM | 1:30 PM | 13:30 |
| 4 PM | 2:30 PM | 14:30 |
| 5 PM | 3:30 PM | 15:30 |
| 6 PM | 4:30 PM | 16:30 |
| 7 PM | 5:30 PM | 17:30 |
| 8 PM | 6:30 PM | 18:30 |
| 9 PM | 7:30 PM | 19:30 |
| 10 PM | 8:30 PM | 20:30 |
| 11 PM | 9:30 PM | 21:30 |
Highlighted rows are the 7 hours where a 9–6 working day in IST overlaps a 9–5 working day in Abu Dhabi.
Popular conversion times
| IST | Abu Dhabi |
|---|---|
| 9 AM IST | 7:30 AM |
| 10 AM IST | 8:30 AM |
| 11 AM IST | 9:30 AM |
| 12 PM IST | 10:30 AM |
| 3 PM IST | 1:30 PM |
| 5 PM IST | 3:30 PM |
| 6 PM IST | 4:30 PM |
| 8 PM IST | 6:30 PM |
Business hours and meeting times
Comparing a 9:00–18:00 working day in IST against 9:00–17:00 in Abu Dhabi, across the whole week — a slot only counts if it lands on a working day at both ends.
Both sides work Monday to Friday, so the working weeks line up and you share 5 days. Abu Dhabi keeps a short Friday, so the usable window narrows at the end of the week.
Rows are days in IST. Columns are hours of the IST day.
Best recurring slot
12 PM IST = 10:30 AM Abu Dhabi , every shared working day
Across the week that is 30 overlapping working hours . The widest day is Monday, with 7 hours.
| Day | Overlap (IST) | Local (Abu Dhabi) | Hours |
|---|---|---|---|
| Monday | 11 AM – 6 PM | 9:30 AM – 4:30 PM | 7 |
| Tuesday | 11 AM – 6 PM | 9:30 AM – 4:30 PM | 7 |
| Wednesday | 11 AM – 6 PM | 9:30 AM – 4:30 PM | 7 |
| Thursday | 11 AM – 6 PM | 9:30 AM – 4:30 PM | 7 |
| Friday | 11 AM – 1 PM | 9:30 AM – 11:30 AM | 2 |
| Saturday | IST weekend | — | — |
| Sunday | IST weekend | — | — |
Public holidays
A shared working day is only usable if neither side is on holiday — and India and Abu Dhabi build their calendars on different systems, so the days each loses rarely coincide.
Over the next 8 weeks you share 40 working days. 2are lost to a public holiday on one side or the other, leaving 38.
| Date | Who is off | Holiday |
|---|---|---|
| Friday, October 2, 2026 | India | Gandhi Jayanti |
| Tuesday, October 20, 2026 | India | Dussehra (Vijayadashami) |
Next holidays in India
- Friday, October 2, 2026Gandhi Jayantisame date every year
- Tuesday, October 20, 2026Dussehra (Vijayadashami)partialpublished date
- Sunday, November 8, 2026Diwalipublished date
- Monday, November 9, 2026Diwalipublished date
- Friday, December 25, 2026Christmas Daypartialsame date every year
India has three national holidays on which the whole country closes. Everything else is either a central-government gazetted holiday that individual employers choose to observe, or a state holiday. Festival dates follow lunisolar calendars and move every year, so they are listed explicitly rather than derived.
Next holidays in Abu Dhabi
- Tuesday, December 1, 2026Commemoration Daysame date every year
- Wednesday, December 2, 2026UAE National Daysame date every year
- Thursday, December 3, 2026UAE National Daysame date every year
- Friday, January 1, 2027New Year's Daysame date every year
- Tuesday, March 9, 2027Eid al-Fitrpredicted — lunar calendar
UAE national holidays. Eid dates are predicted from the Islamic calendar and confirmed by official announcement, usually a few days ahead.
Holiday dates for India and elsewhere come from a dataset last refreshed on 2026-09-12 (date.nager.at plus curated national calendars). Lunar dates — Eid, Chinese New Year, the Jewish holidays — are predicted and can move by a day once officially announced. Regional, state and employer-specific holidays are not included. Confirm anything you are booking a flight around.
About this conversion
India runs on a single time zone, UTC+5:30, and has not observed daylight saving time since 1945. The half-hour offset is why IST conversions rarely land on a round hour.
Frequently asked questions
What is the time difference between IST and Abu Dhabi?
Abu Dhabi is 1 hour and 30 minutes behind IST, on every date of the year. Neither side observes daylight saving time.
What time is 9 AM IST in Abu Dhabi?
9:00 AM IST is 7:30 AM in Abu Dhabi, all year round.
What is the best time for a meeting between IST and Abu Dhabi?
Working days overlap for about 7 hours on a typical Monday: 11 AM to 6 PM IST, which is 9:30 AM to 4:30 PM in Abu Dhabi. For a recurring invite, 12 PM IST / 10:30 AM Abu Dhabi is the slot that works on the most days.
Does India observe daylight saving time?
No. India has kept a single UTC+5:30 offset since 1945 and does not use daylight saving time, so IST reads the same on every date of the year. Any change in the gap to Abu Dhabi comes entirely from the other side.
How many hours a week do IST and Abu Dhabi actually overlap?
30 hours across the week, spread over 5 working days. 12 PM IST (10:30 AM Abu Dhabi) is the slot that works on the most days, so it is the one to put in a recurring invite.
Do public holidays in IST and Abu Dhabi line up?
Barely. Over the next eight weeks the two sides share 40 working days, and 2 of those are a public holiday on one side or the other, leaving 38. The next holiday in Abu Dhabi is Commemoration Day on 2026-12-01. Indian, Gulf and Western holiday calendars are built on different systems, so the days each side loses rarely coincide.
Is IST ahead of Abu Dhabi?
Yes. IST runs ahead of Abu Dhabi by 1 hour and 30 minutes, so a working morning in IST lands the previous evening or night in Abu Dhabi.
Converting the other way
Looking up times starting from Abu Dhabi? Use the Abu Dhabi to IST converter, which leads with Abu Dhabi as the starting point and is written for that reader.
Other cities in United Arab Emirates
- IST to Dubai · United Arab Emirates
Related converters
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- IST to UTC · Coordinated Universal Time
- IST to GMT · Greenwich Mean Time
- IST to CET · Central European Time
- IST to GST · Gulf Standard Time
- IST to MST · Mountain Time
All cities in United Arab Emirates: IST to United Arab Emirates. Scheduling repeatedly? Best Meeting Times: India and the UAE compares several cities at once.