What is the time difference between Prague and Los Angeles?

Los Angeles is 9 hours behind Prague. 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 Los Angeles from Prague?

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 Prague observe daylight saving time?

Yes. Prague 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 Los Angeles observe daylight saving time?

Yes. Los Angeles 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 Prague, what time is it in Los Angeles?

It is 03:00 in Los Angeles, 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 Prague and Los Angeles use?

Prague uses Europe/Prague, currently UTC+2 (CEST), and Los Angeles uses America/Los_Angeles, currently UTC-7 (PDT). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.

Convert Prague time to Los Angeles time

Los Angeles is 9 hours behind Prague right now, so midday in Prague lands in the small hours in Los Angeles.

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 Prague, across for Los Angeles.

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

Daylight saving time

Both cities change their clocks, but not necessarily on the same date — which is why the difference between them shifts for a few weeks each year.

Prague

Observes daylight saving time

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

Los Angeles

Observes daylight saving time

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

When you can actually talk

There is no hour where both cities are inside a 09:00–18:00 working day. Someone has to move — the nearest workable windows are below.

Prague 02:00–03:00Los Angeles 17:00–18:00
Prague 09:00–02:00Los Angeles 00:00–17:00

Reference

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

	Prague	Los Angeles
IANA zone	Europe/Prague	America/Los_Angeles
Abbreviation	CEST	PDT
Standard offset	UTC+1	UTC-8
Daylight offset	UTC+2	UTC-7
Clock changes this year	2	2
Country	Czechia	United States

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

Common questions

What is the time difference between Prague and Los Angeles?: Los Angeles is 9 hours behind Prague. 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 Los Angeles from Prague?: 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 Prague observe daylight saving time?: Yes. Prague 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 Los Angeles observe daylight saving time?: Yes. Los Angeles 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 Prague, what time is it in Los Angeles?: It is 03:00 in Los Angeles, 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 Prague and Los Angeles use?: Prague uses Europe/Prague, currently UTC+2 (CEST), and Los Angeles uses America/Los_Angeles, currently UTC-7 (PDT). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.