TIME ZONE CONVERTER

London to Denver
Time Converter

Convert London, United Kingdom to Denver, United States. Compare dates, seasonal differences and meeting hours.

THE QUICK ANSWER

London is 6h or 7h ahead of Denver in 2026, depending on the date.

9 AM London = 2 AM Denver

Selected date: November 10, 2026.

TIME & DATE
GBFROMUTC

United Kingdom · GMT

Tue, 10 Nov
USTOUTC−07:00

United States · MST

2:00AM
Tue, 10 Nov
Denver is 7h behind London.
Find your moment
Working hoursOutside hours
LondonYour reference
DenverConverted time
Tap an hour to explore · November 10, 2026Dates follow London
Add to calendar
THE TIME DIFFERENCE7hbehind

Denver compared with London.

SHARED WORKING HOURS1h2026-11-10

Shared time within the selected local working windows.

THROUGH THE SEASONS2different offsets

Clock changes affect your time difference.

WORKING HOURS & MEETINGS

Best meeting times: London and Denver

1h of shared working time on 2026-11-10

Set each person’s local working hours.

London
to
Denver
to

Local working days, overnight shifts and the entire meeting duration are checked.

A few times that work60 MIN

Every minute of the meeting fits both working windows.

For a 60-minute meeting, the last start in this window is 4:00 PM London.
THE QUICK REFERENCE

London to Denver conversion table

November 10, 2026 · Date changes are marked.

CSV
View the full 24-hour table
LondonDenver
12:00 AM5:00 PM -1 day
1:00 AM6:00 PM -1 day
2:00 AM7:00 PM -1 day
3:00 AM8:00 PM -1 day
4:00 AM9:00 PM -1 day
5:00 AM10:00 PM -1 day
6:00 AM11:00 PM -1 day
7:00 AM12:00 AM
8:00 AM1:00 AM
9:00 AM2:00 AM
10:00 AM3:00 AM
11:00 AM4:00 AM
LondonDenver
12:00 PM5:00 AM
1:00 PM6:00 AM
2:00 PM7:00 AM
3:00 PM8:00 AM
4:00 PM9:00 AM
5:00 PM10:00 AM
6:00 PM11:00 AM
7:00 PM12:00 PM
8:00 PM1:00 PM
9:00 PM2:00 PM
10:00 PM3:00 PM
11:00 PM4:00 PM

Starting with the Denver working day

These examples start on 2026-11-10 in Denver.

09:00 Denver16:00 →London · 2026-11-10
17:00 Denver00:00 →London · 2026-11-11
SAME TIME NEXT WEEK?

Check recurring meeting times

Check the next 12 weeks for clock changes and working-hours conflicts.

Check my schedule
ONE CLOCK TIME. THE WHOLE YEAR.

09:00 London to Denver throughout 2026

Keeping 09:00 on the London clock produces 2 different destination clock/date answers in 2026. The ranges below use London calendar dates, including transition days.

Year CSV
Denver02:00Same date337 of 365 source dates
Denver03:00Same date28 of 365 source dates
Dates in London · 2026Denver answerSource → destination offsetsExplore
Jan 1 – Mar 766 dates02:00Same dateUTC → UTC−07:00
Mar 8 – Mar 2821 dates03:00Same dateUTC → UTC−06:00
Mar 29 – Oct 24210 dates02:00Same dateUTC+01:00 → UTC−06:00
Oct 25 – Oct 317 dates03:00Same dateUTC → UTC−06:00
Nov 1 – Dec 3161 dates02:00Same dateUTC → UTC−07:00

Every calendar date is included, not just workdays. Date ranges include both endpoints. Based on IANA 2026e; future rules may change.

DON’T LOSE A DAY

When does London time become a different date in Denver?

Your complete source day: 2026-11-10. Each range shows which destination date to use.

London · 2026-11-1000:00–07:00UTC
Denver · 2026-11-0917:00–24:00UTC−07:00 Previous day
London · 2026-11-1007:00–24:00UTC
Denver · 2026-11-1000:00–17:00UTC−07:00 Same date

Range starts are included; ends are excluded. 24:00 means midnight at the end of that date. Repeated hours appear separately with their UTC offsets. The strip is proportional to elapsed time.

THE BIGGER PICTURE

A year of time differences.

How Denver compares with London throughout 2026.

2026
JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
−7h
−6h
−7h
−6h
−7h

Both London and Denver change their clocks in 2026. The chart shows whether those changes alter the difference.

See exact change periods
From (UTC, inclusive)Until (UTC, exclusive)Denver vs London
1 Jan 2026, 00:00 UTC8 Mar 2026, 09:00 UTC7h behind
8 Mar 2026, 09:00 UTC29 Mar 2026, 01:00 UTC6h behind
29 Mar 2026, 01:00 UTC25 Oct 2026, 01:00 UTC7h behind
25 Oct 2026, 01:00 UTC1 Nov 2026, 08:00 UTC6h behind
1 Nov 2026, 08:00 UTC1 Jan 2027, 00:00 UTC7h behind
CLOCK CHANGES

What changes at the next clock adjustment?

March 14, 2027Local transition date
  • Denver clocks go forward by 1h on March 14, 2027.

After this change, London is 6h ahead of Denver.

Exact clock readings and UTC transition

2027-03-14T09:00:00.000Z.

Denver: 2027-03-14 01:59 UTC−07:00 → 2027-03-14 03:00 UTC−06:00.

Readings are one real minute apart. Future rules may change.

Exact periods outside the most common difference in 2026

The most frequent difference has Denver 7h behind relative to London. Exceptions:

From (UTC, inclusive)Until (UTC, exclusive)Compared with London
8 Mar 2026, 09:00 UTC29 Mar 2026, 01:00 UTC6h behind
25 Oct 2026, 01:00 UTC1 Nov 2026, 08:00 UTC6h behind
PLAN BEYOND A SINGLE DAY

London–Denver working hours through 2026

Every date calculated with your working windows. 261 selected London workdays; public holidays are not applied.

Daily CSV
Least shared time1h
Most common1h
Most shared time2h
Days without a 60-min slot0 / 261

A start time that survives the whole year.

Start a 60-minute meeting in London 16:00.

These starts fit both working windows on every selected London workday in 2026, using a 15-minute start grid. The end of each range is the last valid start.

Explore seasonal meeting times and your weekly schedule

London: 09:00–17:00, Mon, Tue, Wed, Thu, Fri. Denver: 09:00–17:00, Mon, Tue, Wed, Thu, Fri.

Calculation details and repeated hours

Overnight shifts belong to their start weekday. Host workday means the source calendar date. Repeated local times use the first occurrence.

TWO PLACES. ONE CONNECTION.

Across the map. Across the clock.

≈ 7,540 km apart
180°W0°180°E

City-center coordinates. Distance is an approximate great-circle distance, not a flight route.

London

United Kingdom

Time zone
Europe/London
Coordinates
51.51°N, 0.13°W

Denver

United States

Time zone
America/Denver
Coordinates
39.74°N, 104.98°W

Coordinates adapted from GeoNames · CC BY 4.0

THE DETAILS THAT MATTER

London to Denver: useful answers

Why is the London to Denver difference sometimes 6 hours and sometimes 7 hours?

London is 6h or 7h ahead of Denver in 2026, depending on the date. Both London and Denver change their clocks in 2026. The chart shows whether those changes alter the difference.

Does the London–Denver time difference change in 2026?

The published rules produce 5 periods with 2 different offsets in 2026. See the annual chart for the exact boundaries of each period.

Does this conversion change the calendar date?

09:00 in London on 2026-11-10 is 02:00 in Denver on 2026-11-10. This selected time stays on the same date in both places. Other times can cross midnight.

Can London and Denver meet during working hours?

Your selected working windows share 1h on 2026-11-10. The planner above checks the whole meeting duration and shows suitable start times. Edit the windows to match your team.

Related time-zone meanings and conversions

Choose the question you need answered

Calculated with IANA 2026e. Working hours are your preferences; public holidays and calendar availability are not included. Our methodology

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