Time Difference Between Mumbai and Oslo

The time difference between Mumbai and Oslo is 4 hours and 30 minutes. When it is 12:00 noon in Mumbai, it is 07:30 in Oslo. Mumbai uses the Asia/Kolkata time zone (UTC+5:30), while Oslo uses Europe/Oslo (UTC+1).

Oslo is 4 hours and 30 minutes behind Mumbai — 4 hours and 30 minutes
Mumbai, India
02:30:53
Friday, March 27, 2026
UTC+5:30 · IST
Oslo, Norway
22:00:53
Thursday, March 26, 2026
UTC+1 · CET

Time Zone Details: Mumbai vs Oslo

Detail Mumbai Oslo
Time Zone IDAsia/KolkataEurope/Oslo
UTC OffsetUTC+5:30UTC+1
AbbreviationISTCET
DST ActiveNoNo
CountryIndiaNorway
RegionAsiaEurope

Best Time to Schedule a Call

There are 3 overlapping business hours between Mumbai and Oslo (assuming 9:00–17:00 in each city). The ideal window for calls and meetings is:

13:30–17:00 in Mumbai  =  09:00–12:30 in Oslo

Hour-by-Hour Time Conversion

Use this table to quickly convert any hour from Mumbai time to Oslo time. Rows highlighted in green indicate overlapping business hours in both cities.

Mumbai Oslo
00:00 19:30 (-1 day) Night
01:00 20:30 (-1 day) Night
02:00 21:30 (-1 day) Night
03:00 22:30 (-1 day) Night
04:00 23:30 (-1 day) Night
05:00 00:30 Night
06:00 01:30
07:00 02:30
08:00 03:30
09:00 04:30
10:00 05:30
11:00 06:30
12:00 07:30
13:00 08:30
14:00 09:30 Overlap
15:00 10:30 Overlap
16:00 11:30 Overlap
17:00 12:30
18:00 13:30
19:00 14:30
20:00 15:30
21:00 16:30
22:00 17:30 Night
23:00 18:30 Night

Daylight Saving Time (DST) Impact

Neither Mumbai nor Oslo is currently observing daylight saving time. If either city observes DST, the time difference will change by 1 hour when DST begins or ends. Always double-check before scheduling across these time zones during March–April and October–November.

Practical Tips for Mumbai–Oslo Scheduling

Compare Mumbai and Oslo with Other Cities

From Mumbai

From Oslo

Frequently Asked Questions

What is the time difference between Mumbai and Oslo?

The time difference is 4 hours and 30 minutes. Oslo is 4 hours and 30 minutes behind Mumbai.

Does the time difference change during the year?

It can. If either Mumbai or Oslo observes daylight saving time, the gap will shift by 1 hour during the transition periods (typically March–April and October–November).

When is the best time to call from Mumbai to Oslo?

The best window is between 13:30 and 17:00 Mumbai time, which corresponds to 09:00–12:30 in Oslo. Both sides fall within normal business hours.

How do I convert Mumbai time to Oslo time?

Subtract 4 hours and 30 minutes from Mumbai time to get Oslo time. Use the hour-by-hour table above for a quick reference.

Related Pages

For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.