What is the time difference between Bangkok and Delhi?

Delhi is 1 hour 30 minutes behind Bangkok. 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 Bangkok?

Between 10:30–18:00 in Bangkok, which is 09:00–16:30 in Delhi. That is the only stretch where both cities are inside a 09:00–18:00 day.

Does Bangkok observe daylight saving time?

No. Bangkok 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 Bangkok, what time is it in Delhi?

It is 10:30 in Delhi, on the same calendar date. That holds for the current offsets; it does not change through the year, because neither city moves its clocks.

Which time zones do Bangkok and Delhi use?

Bangkok uses Asia/Bangkok, currently UTC+7, 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 Bangkok time to Delhi time

Right now Delhi runs 1 hour 30 minutes behind Bangkok. That gap is not fixed: it moves when either city changes its clocks.

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

Every hour of a day in Bangkok, and what the clock reads in Delhi at that same moment.

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

Daylight saving time

Both cities keep one offset all year. Whatever difference holds today still holds in six months.

Bangkok

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

You have 7 hours 30 minutes of shared working time: 10:30–18:00 in Bangkok, which is 09:00–16:30 in Delhi.

Bangkok 10:30–18:00Delhi 09:00–16:30

Reference

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

	Bangkok	Delhi
IANA zone	Asia/Bangkok	Asia/Kolkata
Abbreviation	UTC+7	IST
Standard offset	UTC+7	UTC+5:30
Daylight offset	—	—
Clock changes this year	0	0
Country	Thailand	India

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

Common questions

What is the time difference between Bangkok and Delhi?: Delhi is 1 hour 30 minutes behind Bangkok. 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 Bangkok?: Between 10:30–18:00 in Bangkok, which is 09:00–16:30 in Delhi. That is the only stretch where both cities are inside a 09:00–18:00 day.
Does Bangkok observe daylight saving time?: No. Bangkok 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 Bangkok, what time is it in Delhi?: It is 10:30 in Delhi, on the same calendar date. That holds for the current offsets; it does not change through the year, because neither city moves its clocks.
Which time zones do Bangkok and Delhi use?: Bangkok uses Asia/Bangkok, currently UTC+7, 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.