Time Difference Between Colorado and London

The time difference between Colorado and London is 7 hours. When it is 12:00 noon in Colorado, it is 19:00 in London. Colorado uses the America/Denver time zone (UTC-6), while London uses Europe/London (UTC+1).

London is 7 hours ahead of Colorado — 7 hours
Colorado, United States
18:47:54
Sunday, May 10, 2026
UTC-6 · MDT (DST)
London, United Kingdom
01:47:54
Monday, May 11, 2026
UTC+1 · BST (DST)

Time Zone Details: Colorado vs London

Detail Colorado London
Time Zone IDAmerica/DenverEurope/London
UTC OffsetUTC-6UTC+1
AbbreviationMDTBST
DST ActiveYes — currently observingYes — currently observing
CountryUnited StatesUnited Kingdom
RegionColoradoEurope

Best Time to Schedule a Call

There are 1 overlapping business hours between Colorado and London (assuming 9:00–17:00 in each city). The ideal window for calls and meetings is:

09:00–10:00 in Colorado  =  16:00–17:00 in London

Hour-by-Hour Time Conversion

Use this table to quickly convert any hour from Colorado time to London time. Rows highlighted in green indicate overlapping business hours in both cities.

Colorado London
00:00 07:00 Night
01:00 08:00 Night
02:00 09:00 Night
03:00 10:00 Night
04:00 11:00 Night
05:00 12:00 Night
06:00 13:00
07:00 14:00
08:00 15:00
09:00 16:00 Overlap
10:00 17:00
11:00 18:00
12:00 19:00
13:00 20:00
14:00 21:00
15:00 22:00
16:00 23:00
17:00 00:00 (+1 day)
18:00 01:00 (+1 day)
19:00 02:00 (+1 day)
20:00 03:00 (+1 day)
21:00 04:00 (+1 day)
22:00 05:00 (+1 day) Night
23:00 06:00 (+1 day) Night

Daylight Saving Time (DST) Impact

Both Colorado and London are currently observing daylight saving time. The current 7 hours difference reflects both cities' DST offsets. When one city switches back to standard time before the other, the gap will temporarily change by 1 hour.

Practical Tips for Colorado–London Scheduling

Frequently Asked Questions

What is the time difference between Colorado and London?

The time difference is 7 hours. London is 7 hours ahead of Colorado.

Does the time difference change during the year?

Yes. Both cities observe daylight saving time, but they may switch on different dates, causing the gap to shift by 1 hour temporarily.

When is the best time to call from Colorado to London?

The best window is between 09:00 and 10:00 Colorado time, which corresponds to 16:00–17:00 in London. Both sides fall within normal business hours.

How do I convert Colorado time to London time?

Add 7 hours to Colorado time to get London time. Use the hour-by-hour table above for a quick reference.

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