What is the time difference between Lisbon and Denver?

Denver is 7 hours behind Lisbon. 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 Denver from Lisbon?

Between 16:00–18:00 in Lisbon, which is 09:00–11:00 in Denver. That is the only stretch where both cities are inside a 09:00–18:00 day.

Does Lisbon observe daylight saving time?

Yes. Lisbon runs on UTC+0 in winter and UTC+1 in summer. The next change is on 2026-10-25, when clocks go back by 60 minutes.

Does Denver observe daylight saving time?

Yes. Denver runs on UTC-7 in winter and UTC-6 in summer. The next change is on 2026-11-01, when clocks go back by 60 minutes.

If it is midday in Lisbon, what time is it in Denver?

It is 05:00 in Denver, 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 Lisbon and Denver use?

Lisbon uses Europe/Lisbon, currently UTC+1 (WEST), and Denver uses America/Denver, currently UTC-6 (MDT). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.

Convert Lisbon time to Denver time

Denver is 7 hours behind Lisbon right now, so midday in Lisbon lands in the small hours in Denver.

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 Lisbon, and what the clock reads in Denver at that same moment.

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

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.

Lisbon

Observes daylight saving time

Standard: UTC+0
Daylight: UTC+1
Next change: 2026-10-25 −60m

Denver

Observes daylight saving time

Standard: UTC-7
Daylight: UTC-6
Next change: 2026-11-01 −60m

When you can actually talk

The window is 2 hours wide — 16:00–18:00 in Lisbon, 09:00–11:00 in Denver.

Lisbon 16:00–18:00Denver 09:00–11:00

Reference

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

	Lisbon	Denver
IANA zone	Europe/Lisbon	America/Denver
Abbreviation	WEST	MDT
Standard offset	UTC+0	UTC-7
Daylight offset	UTC+1	UTC-6
Clock changes this year	2	2
Country	Portugal	United States

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

Common questions

What is the time difference between Lisbon and Denver?: Denver is 7 hours behind Lisbon. 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 Denver from Lisbon?: Between 16:00–18:00 in Lisbon, which is 09:00–11:00 in Denver. That is the only stretch where both cities are inside a 09:00–18:00 day.
Does Lisbon observe daylight saving time?: Yes. Lisbon runs on UTC+0 in winter and UTC+1 in summer. The next change is on 2026-10-25, when clocks go back by 60 minutes.
Does Denver observe daylight saving time?: Yes. Denver runs on UTC-7 in winter and UTC-6 in summer. The next change is on 2026-11-01, when clocks go back by 60 minutes.
If it is midday in Lisbon, what time is it in Denver?: It is 05:00 in Denver, 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 Lisbon and Denver use?: Lisbon uses Europe/Lisbon, currently UTC+1 (WEST), and Denver uses America/Denver, currently UTC-6 (MDT). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.