IST to UTC time converter

UTC is 1 hour behind IST. When it is 9:00 AM in IST, it is 8:00 AM in UTC.

IST UTC+1

Friday, October 16, 2026

UTC UTC

Friday, October 16, 2026

IST
Irish Standard Time
Fri, Oct 16
UTC+1
UTC
Coordinated Universal Time
Fri, Oct 16
UTC-1h
Finding your time zone…
Shared working hours (9:00–18:00)

IST to UTC conversion table

Every hour of today in IST and the matching time in UTC. Light rows are typical working hours (9:00–18:00).

ISTUTC
12:00 AM11:00 PM−1 day
1:00 AM12:00 AM
2:00 AM1:00 AM
3:00 AM2:00 AM
4:00 AM3:00 AM
5:00 AM4:00 AM
6:00 AM5:00 AM
7:00 AM6:00 AM
8:00 AM7:00 AM
9:00 AM8:00 AM
10:00 AM9:00 AM
11:00 AM10:00 AM
12:00 PM11:00 AM
1:00 PM12:00 PM
2:00 PM1:00 PM
3:00 PM2:00 PM
4:00 PM3:00 PM
5:00 PM4:00 PM
6:00 PM5:00 PM
7:00 PM6:00 PM
8:00 PM7:00 PM
9:00 PM8:00 PM
10:00 PM9:00 PM
11:00 PM10:00 PM

Best time to call or meet

Both sides are at work from 10:00 AM – 6:00 PM in IST (9:00 AM – 5:00 PM in UTC).

Daylight saving time and the difference

The difference stays 1 hour all year.

More conversions

UTC to IST (Ireland)IST (Ireland) to GMTIST (Ireland) to ESTIST (Ireland) to CSTIST (Ireland) to MSTIST (Ireland) to PSTIST (Ireland) to CETIST (Ireland) to MSKIST (Ireland) to GSTIST (Ireland) to PKTIST (Ireland) to ISTIST (Ireland) to SGTIST (Ireland) to PHT
GMT to UTCEST to UTCCST to UTCMST to UTCPST to UTCCET to UTCMSK to UTCGST to UTCPKT to UTCIST to UTCSGT to UTCPHT to UTC

Questions and answers

What is the time difference between IST and UTC?

UTC is 1 hour behind IST.

What time is it in UTC when it is 9 AM in IST?

When it is 9:00 AM in IST, it is 8:00 AM in UTC.

When is the best time to call UTC from IST?

Both sides are at work from 10:00 AM – 6:00 PM in IST (9:00 AM – 5:00 PM in UTC).

Does the time difference between IST and UTC change?

No. The difference stays 1 hour all year.