Country meeting planner
India Meeting Planner: IST, the half-hour offset, and global overlap
India runs on a single national clock, Indian Standard Time (IST), UTC+5:30, with no daylight saving. This planner preloads New Delhi, New York, San Francisco, London, and Singapore so you can see the US-India morning-evening bridge, the comfortable UK-India afternoon overlap, and the short hop to Singapore.
Updated · Reviewed byThe Vibing Dev.
Plan across US time zones
New York, Chicago, Denver, Los Angeles — keep only the ones you need
Type a name in any row to label a participant — it shows in the share link & export summaries.
Meeting time (your home zone) — shaded bars show each participant's work hours
India business hours and time zones
These are the typical local business hours and 2027 clock changes for the main India hubs. Adjust the handles in the planner above if your team works a different schedule.
| City | Time zone | Typical hours | 2027 DST |
|---|---|---|---|
| New Delhi | IST (UTC+5:30) | 9:30 AM-6:30 PM | No DST |
| Mumbai | IST (UTC+5:30) | 9:30 AM-6:30 PM | No DST |
| Bengaluru | IST (UTC+5:30) | 9:30 AM-6:30 PM | No DST |
| Hyderabad | IST (UTC+5:30) | 9:30 AM-6:30 PM | No DST |
| Chennai | IST (UTC+5:30) | 9:00 AM-6:00 PM | No DST |
Best meeting times for India
These windows are computed for standard 9:00 AM-5:00 PM schedules on two 2027 dates. "January" shows northern-winter offsets; "July" shows northern-summer offsets. Use the planner above for your exact meeting date.
| Partner | January 2027 | July 2027 |
|---|---|---|
| United States - New York (ET) No strict 9-5 overlap; use 8-10:30 AM ET / 5:30-8 PM IST. | No standard 9-5 overlap. Use a bridge. | No standard 9-5 overlap. Use a bridge. |
| United States - San Francisco (PT) No strict 9-5 overlap; use 7:30-9 AM PT / 8-9:30 PM IST. | No standard 9-5 overlap. Use a bridge. | No standard 9-5 overlap. Use a bridge. |
| United Kingdom - London (GMT/BST) London morning is Delhi afternoon, with no DST in India. | 2:30 PM - 5:00 PM New Delhi 9:00 AM - 11:30 AM London 2h 30m overlap | 1:30 PM - 5:00 PM New Delhi 9:00 AM - 12:30 PM London 3h 30m overlap |
| Singapore (SGT) A wide, stable same-day window with no DST on either side. | 9:00 AM - 2:30 PM New Delhi 11:30 AM - 5:00 PM Singapore 5h 30m overlap | 9:00 AM - 2:30 PM New Delhi 11:30 AM - 5:00 PM Singapore 5h 30m overlap |
| Australia - Sydney (AEST/AEDT) Late morning India catches the late afternoon in Sydney. | 9:00 AM - 11:30 AM New Delhi 2:30 PM - 5:00 PM Sydney 2h 30m overlap | 9:00 AM - 12:30 PM New Delhi 1:30 PM - 5:00 PM Sydney 3h 30m overlap |
IST is UTC+5:30 all year
India uses a single national time zone, Indian Standard Time (IST), UTC+5:30. It does not observe daylight saving, so New Delhi, Mumbai, Bengaluru, Hyderabad, and Chennai stay on the same offset all year. The half-hour offset is the detail most scheduling mistakes miss.
When a US or UK team says 9:00 AM, the India conversion is not a whole number of hours away. Use the planner with the actual meeting date rather than adding a rounded offset in your head.
US-India windows
With standard 9-to-5 hours, New York and Delhi do not have a comfortable overlap. The practical bridge is 8:00-10:30 AM ET, which is 5:30-8:00 PM IST in summer and 6:30-9:00 PM IST in winter. Start at the earlier end when you can, and keep the call to 30-45 minutes.
San Francisco is harder: 7:30-9:00 AM PT is 8:00-9:30 PM IST in summer or 9:00-10:30 PM IST in winter. Treat the West Coast-India call as a deliberate exception and rotate it rather than making it a daily default.
UK and Singapore are the easier corridors
London to Delhi is one of India's most comfortable international windows: 9:00 AM-12:00 PM London is 2:30-5:30 PM IST in winter and 1:30-4:30 PM IST in summer. Singapore is even closer: 10:00 AM-12:00 PM IST is 12:30-2:30 PM SGT, with no DST on either side.
Australia is workable but asymmetric: late morning India catches the late afternoon in Sydney, while a Sydney morning lands before India's workday starts. Check the exact date because Australia's DST changes while India's does not.
Indian business hours and lunch
Many Indian offices work 9:30 AM-6:30 PM or 10:00 AM-7:00 PM, with lunch around 1:00-2:00 PM. Avoid scheduling a recurring call at 6:30 PM IST or later unless the team has agreed to it; that is already outside a standard day.
For interviews and client calls, mid-morning India (10:30 AM-12:00 PM IST) is often the safest slot because it is after the commute and before lunch. Convert it to the other side in the planner before you send the invite.
India daylight saving dates for 2027
| Period | What happens |
|---|---|
| No DST | IST stays UTC+5:30 all year. India does not change clocks. |
| US gap | New York is 10.5 hours behind India in winter and 9.5 hours behind in summer. |
| UK gap | London is 5.5 hours behind India in winter and 4.5 hours behind in summer. |
| Planning rule | Only the other side changes clocks, so a recurring India call shifts by one hour twice a year for US and UK teams. |
Popular India meeting routes
Open a preloaded two-city planner with an hour-by-hour conversion table and the golden window for standard work hours.
Sources
- IANA Time Zone Database - Authoritative zone and DST rules.
- CSIR-NPL - Indian Standard Time reference.
- NIST Daylight Saving Time - US transition dates for cross-checking.
FAQ
Frequently asked questions.
What time zone is India in?
India uses Indian Standard Time (IST), UTC+5:30, across the whole country. India does not observe daylight saving, so the offset stays the same all year.
Why is India 30 minutes off from whole-hour time zones?
India uses a single national time zone set at UTC+5:30 rather than a whole-hour offset. That half hour is real: 9:00 AM London is 2:30 PM IST in winter, not 2:00 PM.
What is the best time for a US-India meeting?
The practical bridge is 8:00-10:30 AM ET, which is 5:30-8:00 PM IST in summer and 6:30-9:00 PM IST in winter. Start at the earlier end and keep the call to 30-45 minutes when possible.
What is the best time for a UK-India meeting?
9:00 AM-12:00 PM London is 2:30-5:30 PM IST in winter and 1:30-4:30 PM IST in summer. Mid-morning London is the safest slot because it lands before the Indian evening.
Does India observe daylight saving?
No. India stays on IST (UTC+5:30) all year. The gap to the US and UK changes only because those countries move their clocks.