What is the time difference between Oslo and Delhi?

Delhi is 3 hours 30 minutes ahead of Oslo. That figure is current — it changes by an hour when either city starts or ends daylight saving, and the exact dates are listed above.

When is the best time to call Delhi from Oslo?

Between 09:00–14:30 in Oslo, which is 12:30–18:00 in Delhi. That is the only stretch where both cities are inside a 09:00–18:00 day.

Does Oslo observe daylight saving time?

Yes. Oslo runs on UTC+1 in winter and UTC+2 in summer. The next change is on 2026-10-25, when clocks go back by 60 minutes.

Does Delhi observe daylight saving time?

No. Delhi stays on UTC+5:30 all year, so its clocks never move.

If it is midday in Oslo, what time is it in Delhi?

It is 15:30 in Delhi, on the same calendar date. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.

Which time zones do Oslo and Delhi use?

Oslo uses Europe/Oslo, currently UTC+2 (CEST), and Delhi uses Asia/Kolkata, currently UTC+5:30 (IST). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.

Convert Oslo time to Delhi time

Delhi is 3 hours 30 minutes ahead of Oslo right now, so midday in Oslo lands in the afternoon in Delhi.

Convert a time

From

Date

Time

Converted time

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The converter needs JavaScript to run. Everything below — offsets, daylight saving dates and the hour-by-hour table — is part of the page and works without it.

Hour by hour

The whole day mapped across: read down the left for Oslo, across for Delhi.

Oslo	Delhi
00:00	03:30
01:00	04:30
02:00	05:30
03:00	06:30
04:00	07:30
05:00	08:30
06:00	09:30
07:00	10:30
08:00	11:30
09:00	12:30
10:00	13:30
11:00	14:30
12:00	15:30
13:00	16:30
14:00	17:30
15:00	18:30
16:00	19:30
17:00	20:30
18:00	21:30
19:00	22:30
20:00	23:30
21:00	00:30next day
22:00	01:30next day
23:00	02:30next day

Daylight saving time

Delhi keeps one offset all year while Oslo moves twice. That is the whole reason this difference is seasonal.

Oslo

Observes daylight saving time

Standard: UTC+1
Daylight: UTC+2
Next change: 2026-10-25 −60m

Delhi

Does not observe daylight saving time

Standard: UTC+5:30

When you can actually talk

You have 5 hours 30 minutes of shared working time: 09:00–14:30 in Oslo, which is 12:30–18:00 in Delhi.

Oslo 09:00–14:30Delhi 12:30–18:00

Reference

The underlying data, in case you need to put it in a calendar invitation or a configuration file.

	Oslo	Delhi
IANA zone	Europe/Oslo	Asia/Kolkata
Abbreviation	CEST	IST
Standard offset	UTC+1	UTC+5:30
Daylight offset	UTC+2	—
Clock changes this year	2	0
Country	Norway	India

Example, not the current time. Live times appear once the page loads.

Common questions

What is the time difference between Oslo and Delhi?: Delhi is 3 hours 30 minutes ahead of Oslo. That figure is current — it changes by an hour when either city starts or ends daylight saving, and the exact dates are listed above.
When is the best time to call Delhi from Oslo?: Between 09:00–14:30 in Oslo, which is 12:30–18:00 in Delhi. That is the only stretch where both cities are inside a 09:00–18:00 day.
Does Oslo observe daylight saving time?: Yes. Oslo runs on UTC+1 in winter and UTC+2 in summer. The next change is on 2026-10-25, when clocks go back by 60 minutes.
Does Delhi observe daylight saving time?: No. Delhi stays on UTC+5:30 all year, so its clocks never move.
If it is midday in Oslo, what time is it in Delhi?: It is 15:30 in Delhi, on the same calendar date. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.
Which time zones do Oslo and Delhi use?: Oslo uses Europe/Oslo, currently UTC+2 (CEST), and Delhi uses Asia/Kolkata, currently UTC+5:30 (IST). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.