What is the time difference between Delhi and Bangkok?

Bangkok is 1 hour 30 minutes ahead of 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 Bangkok from Delhi?

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

Does Delhi observe daylight saving time?

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

Does Bangkok observe daylight saving time?

No. Bangkok stays on UTC+7 all year, so its clocks never move.

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

It is 13:30 in Bangkok, 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 Delhi and Bangkok use?

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

Convert Delhi time to Bangkok time

Right now Bangkok runs 1 hour 30 minutes ahead of Delhi. 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

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

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

Daylight saving time

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

Delhi

Does not observe daylight saving time

Standard: UTC+5:30

Bangkok

Does not observe daylight saving time

Standard: UTC+7

When you can actually talk

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

Delhi 09:00–16:30Bangkok 10:30–18:00

Reference

The zone identifiers and offsets behind everything above.

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

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

Common questions

What is the time difference between Delhi and Bangkok?: Bangkok is 1 hour 30 minutes ahead of 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 Bangkok from Delhi?: Between 09:00–16:30 in Delhi, which is 10:30–18:00 in Bangkok. That is the only stretch where both cities are inside a 09:00–18:00 day.
Does Delhi observe daylight saving time?: No. Delhi stays on UTC+5:30 all year, so its clocks never move.
Does Bangkok observe daylight saving time?: No. Bangkok stays on UTC+7 all year, so its clocks never move.
If it is midday in Delhi, what time is it in Bangkok?: It is 13:30 in Bangkok, 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 Delhi and Bangkok use?: Delhi uses Asia/Kolkata, currently UTC+5:30 (IST), and Bangkok uses Asia/Bangkok, currently UTC+7. Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.