IST to UTC Time Converter

Convert India Standard Time (IST) to Coordinated Universal Time (UTC). Both time zones are shown live below; current offset between them is 5h 30m behind.

Mumbai · India Standard Time
02:25:27
Monday, May 11, 2026
GMT+5:30 · UTC+05:30
UTC · Coordinated Universal Time
20:55:27
Sunday, May 10, 2026
UTC · UTC+00:00

Convert a specific time

From: IST (Mumbai)
To: UTC (UTC)
--:--

Daylight Saving status right now

IST (India Standard Time)
Observes DST
No
UTC (Coordinated Universal Time)
Observes DST
No

When can IST and UTC meet?

00
01
02
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09
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IST
UTC
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Mumbai (IST). Each row shows the local working-hours state in that zone for the same moment in time.
2 hours of overlap during standard 9am-5pm working hours.
Best meeting window: 15:00–16:00 IST (09:30–10:30 UTC).

Hour-by-hour IST to UTC conversion table

IST time (Mumbai)UTC time (UTC)Status
00:00 Mon18:30 SunOff-hours both sides
01:00 Mon19:30 SunOff-hours both sides
02:00 Mon20:30 SunOff-hours both sides
03:00 Mon21:30 SunOff-hours both sides
04:00 Mon22:30 SunOff-hours both sides
05:00 Mon23:30 SunOff-hours both sides
06:00 Mon00:30 MonOff-hours both sides
07:00 Mon01:30 MonOff-hours both sides
08:00 Mon02:30 MonOff-hours both sides
09:00 Mon03:30 MonIST working
10:00 Mon04:30 MonIST working
11:00 Mon05:30 MonIST working
12:00 Mon06:30 MonIST working
13:00 Mon07:30 MonIST working
14:00 Mon08:30 MonIST working
15:00 Mon09:30 MonBoth at work
16:00 Mon10:30 MonBoth at work
17:00 Mon11:30 MonUTC working
18:00 Mon12:30 MonUTC working
19:00 Mon13:30 MonUTC working
20:00 Mon14:30 MonUTC working
21:00 Mon15:30 MonUTC working
22:00 Mon16:30 MonUTC working
23:00 Mon17:30 MonOff-hours both sides

Times computed for today in each zone using the IANA time zone database. The conversion accounts for daylight saving time wherever applicable.

About these time zones

India Standard Time (IST)
IANA identifier
Asia/Kolkata
Current UTC offset
UTC+05:30
Current abbreviation
GMT+5:30
Major cities in this zone
MumbaiNew DelhiBangaloreChennaiKolkata
Coordinated Universal Time (UTC)
IANA identifier
UTC
Current UTC offset
UTC+00:00
Current abbreviation
UTC
Major cities in this zone
UTC

Sun today in Mumbai and UTC

Mumbai
Sunrise
06:06
Sunset
19:05
Solar noon
12:36
Daylight
12h 58m

Related converters

UTC to IST (reverse)IST to ESTIST to PSTIST to GMTIST to CETIST to JSTEST to UTCPST to UTCGMT to UTCCET to UTCJST to UTC
Looking for local time? See time in Mumbai or time in UTC.

Frequently asked questions

What is the time difference between IST and UTC right now?+
UTC (Coordinated Universal Time) is currently 5h 30m behind IST (India Standard Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does IST or UTC observe daylight saving time?+
IST: does not observe daylight saving time. UTC: does not observe daylight saving time.
When is the best time to schedule a meeting between IST and UTC?+
The strongest overlap is 15:00–16:00 IST (09:30–10:30 UTC), giving 2 hours when both sides are within standard 9am-5pm working hours.
What time is it in UTC when it is 12:00 noon in Mumbai?+
When it is 12:00 Mon in Mumbai (IST), it is 06:30 Mon in UTC (UTC).
Which IANA time zone identifiers are used for IST and UTC?+
IST maps to "Asia/Kolkata" in the IANA database. UTC maps to "UTC". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Mumbai ahead of or behind UTC?+
Whether Mumbai (IST) is ahead of or behind UTC (UTC) depends on the current UTC offsets. Right now UTC is 5h 30m behind IST. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for IST and UTC?+
IST is UTC+05:30 (GMT+5:30) and UTC is UTC+00:00 (UTC). Both offsets shift by one hour when the corresponding region enters or exits daylight saving time, so the live values on this page are the source of truth.
Can I schedule meetings during business hours for both IST and UTC?+
Yes. There are 2 hours of overlap during standard 9am-5pm working hours, with the strongest window at 15:00–16:00 IST.