What is the time difference between Delhi and San Francisco?

San Francisco is 12 hours 30 minutes behind Delhi. 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 San Francisco from Delhi?

There is no time inside normal working hours in both cities, so someone has to take the call outside them. The nearest workable windows are listed above — pick one and alternate who gets the awkward slot.

Does Delhi observe daylight saving time?

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

Does San Francisco observe daylight saving time?

Yes. San Francisco runs on UTC-8 in winter and UTC-7 in summer. The next change is on 2026-11-01, when clocks go back by 60 minutes.

If it is midday in Delhi, what time is it in San Francisco?

It is 23:30 in San Francisco, still on the previous day. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.

Which time zones do Delhi and San Francisco use?

Delhi uses Asia/Kolkata, currently UTC+5:30 (IST), and San Francisco uses America/Los_Angeles, currently UTC-7 (PDT). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.

Convert Delhi time to San Francisco time

San Francisco is 12 hours 30 minutes behind Delhi right now, so midday in Delhi lands in the late night in San Francisco.

Convert a time

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Date

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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 Delhi, across for San Francisco.

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

Daylight saving time

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

Delhi

Does not observe daylight saving time

Standard: UTC+5:30

San Francisco

Observes daylight saving time

Standard: UTC-8
Daylight: UTC-7
Next change: 2026-11-01 −60m

When you can actually talk

A standard working day in Delhi and one in San Francisco do not overlap at all. Any call between them is early for one side or late for the other.

Delhi 05:30–06:30San Francisco 17:00–18:00
Delhi 09:00–18:00San Francisco 20:30–05:30

Reference

The zone identifiers and offsets behind everything above.

	Delhi	San Francisco
IANA zone	Asia/Kolkata	America/Los_Angeles
Abbreviation	IST	PDT
Standard offset	UTC+5:30	UTC-8
Daylight offset	—	UTC-7
Clock changes this year	0	2
Country	India	United States

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

Common questions

What is the time difference between Delhi and San Francisco?: San Francisco is 12 hours 30 minutes behind Delhi. 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 San Francisco from Delhi?: There is no time inside normal working hours in both cities, so someone has to take the call outside them. The nearest workable windows are listed above — pick one and alternate who gets the awkward slot.
Does Delhi observe daylight saving time?: No. Delhi stays on UTC+5:30 all year, so its clocks never move.
Does San Francisco observe daylight saving time?: Yes. San Francisco runs on UTC-8 in winter and UTC-7 in summer. The next change is on 2026-11-01, when clocks go back by 60 minutes.
If it is midday in Delhi, what time is it in San Francisco?: It is 23:30 in San Francisco, still on the previous day. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.
Which time zones do Delhi and San Francisco use?: Delhi uses Asia/Kolkata, currently UTC+5:30 (IST), and San Francisco uses America/Los_Angeles, currently UTC-7 (PDT). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.