What is the time difference between Phoenix and Delhi?

Delhi is 12 hours 30 minutes ahead of Phoenix. 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 Phoenix?

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 Phoenix observe daylight saving time?

No. Phoenix stays on UTC-7 all year, so its clocks never move.

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 Phoenix, what time is it in Delhi?

It is 00:30 in Delhi, and already the following day. That holds for the current offsets; it does not change through the year, because neither city moves its clocks.

Which time zones do Phoenix and Delhi use?

Phoenix uses America/Phoenix, currently UTC-7 (MST), 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 Phoenix time to Delhi time

Delhi is 12 hours 30 minutes ahead of Phoenix right now, so midday in Phoenix lands in the small hours 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 Phoenix, across for Delhi.

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

Daylight saving time

Neither Phoenix nor Delhi changes its clocks, so the difference between them is the same every day of the year.

Phoenix

Does not observe daylight saving time

Standard: UTC-7

Delhi

Does not observe daylight saving time

Standard: UTC+5:30

When you can actually talk

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

Phoenix 17:00–18:00Delhi 05:30–06:30
Phoenix 20:30–05:30Delhi 09:00–18:00

Reference

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

	Phoenix	Delhi
IANA zone	America/Phoenix	Asia/Kolkata
Abbreviation	MST	IST
Standard offset	UTC-7	UTC+5:30
Daylight offset	—	—
Clock changes this year	0	0
Country	United States	India

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

Common questions

What is the time difference between Phoenix and Delhi?: Delhi is 12 hours 30 minutes ahead of Phoenix. 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 Phoenix?: 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 Phoenix observe daylight saving time?: No. Phoenix stays on UTC-7 all year, so its clocks never move.
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 Phoenix, what time is it in Delhi?: It is 00:30 in Delhi, and already the following day. That holds for the current offsets; it does not change through the year, because neither city moves its clocks.
Which time zones do Phoenix and Delhi use?: Phoenix uses America/Phoenix, currently UTC-7 (MST), 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.