OMST to IST Time Converter

Convert Omsk Time (OMST) to India Standard Time (IST). Both time zones are shown live below; current offset between them is 0h 30m behind.

Omsk · Omsk Time
06:02:44
Wednesday, May 13, 2026
GMT+6 · UTC+06:00
Mumbai · India Standard Time
05:32:44
Wednesday, May 13, 2026
GMT+5:30 · UTC+05:30

Convert a specific time

From: OMST (Omsk)
To: IST (Mumbai)
--:--

Daylight Saving status right now

OMST (Omsk Time)
Observes DST
No
IST (India Standard Time)
Observes DST
No

When can OMST and IST meet?

00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
OMST
IST
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Omsk (OMST). Each row shows the local working-hours state in that zone for the same moment in time.
7 hours of overlap during standard 9am-5pm working hours.
Best meeting window: 10:00–16:00 OMST (09:30–15:30 IST).

Hour-by-hour OMST to IST conversion table

OMST time (Omsk)IST time (Mumbai)Status
00:00 Wed23:30 TueOff-hours both sides
01:00 Wed00:30 WedOff-hours both sides
02:00 Wed01:30 WedOff-hours both sides
03:00 Wed02:30 WedOff-hours both sides
04:00 Wed03:30 WedOff-hours both sides
05:00 Wed04:30 WedOff-hours both sides
06:00 Wed05:30 WedOff-hours both sides
07:00 Wed06:30 WedOff-hours both sides
08:00 Wed07:30 WedOff-hours both sides
09:00 Wed08:30 WedOMST working
10:00 Wed09:30 WedBoth at work
11:00 Wed10:30 WedBoth at work
12:00 Wed11:30 WedBoth at work
13:00 Wed12:30 WedBoth at work
14:00 Wed13:30 WedBoth at work
15:00 Wed14:30 WedBoth at work
16:00 Wed15:30 WedBoth at work
17:00 Wed16:30 WedIST working
18:00 Wed17:30 WedOff-hours both sides
19:00 Wed18:30 WedOff-hours both sides
20:00 Wed19:30 WedOff-hours both sides
21:00 Wed20:30 WedOff-hours both sides
22:00 Wed21:30 WedOff-hours both sides
23:00 Wed22:30 WedOff-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

Omsk Time (OMST)
IANA identifier
Asia/Omsk
Current UTC offset
UTC+06:00
Current abbreviation
GMT+6
Major cities in this zone
Omsk
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

Sun today in Omsk and Mumbai

Mumbai
Sunrise
06:06
Sunset
19:06
Solar noon
12:36
Daylight
13h 0m

Related converters

IST to OMST (reverse)OMST to ESTOMST to PSTOMST to GMTOMST to UTCOMST to CETEST to ISTPST to ISTGMT to ISTUTC to ISTCET to IST
Looking for local time? See time in Omsk or time in Mumbai.

Frequently asked questions

What is the time difference between OMST and IST right now?+
IST (India Standard Time) is currently 0h 30m behind OMST (Omsk Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does OMST or IST observe daylight saving time?+
OMST: does not observe daylight saving time. IST: does not observe daylight saving time.
When is the best time to schedule a meeting between OMST and IST?+
The strongest overlap is 10:00–16:00 OMST (09:30–15:30 IST), giving 7 hours when both sides are within standard 9am-5pm working hours.
What time is it in Mumbai when it is 12:00 noon in Omsk?+
When it is 12:00 Wed in Omsk (OMST), it is 11:30 Wed in Mumbai (IST).
Which IANA time zone identifiers are used for OMST and IST?+
OMST maps to "Asia/Omsk" in the IANA database. IST maps to "Asia/Kolkata". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Omsk ahead of or behind Mumbai?+
Whether Omsk (OMST) is ahead of or behind Mumbai (IST) depends on the current UTC offsets. Right now IST is 0h 30m behind OMST. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for OMST and IST?+
OMST is UTC+06:00 (GMT+6) and IST is UTC+05:30 (GMT+5:30). 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 OMST and IST?+
Yes. There are 7 hours of overlap during standard 9am-5pm working hours, with the strongest window at 10:00–16:00 OMST.