Time Difference Between Arizona and London

The time difference between Arizona and London is 7 hours. When it is 12:00 noon in Arizona, it is 19:00 in London. Arizona uses the America/Phoenix time zone (UTC-7), while London uses Europe/London (UTC+0).

London is 7 hours ahead of Arizona — 7 hours
Arizona, United States
15:31:26
Thursday, March 26, 2026
UTC-7 · MST
London, United Kingdom
22:31:26
Thursday, March 26, 2026
UTC+0 · GMT

Time Zone Details: Arizona vs London

Detail Arizona London
Time Zone IDAmerica/PhoenixEurope/London
UTC OffsetUTC-7UTC+0
AbbreviationMSTGMT
DST ActiveNoNo
CountryUnited StatesUnited Kingdom
RegionArizonaEurope

Best Time to Schedule a Call

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

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

Hour-by-Hour Time Conversion

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

Arizona 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

Neither Arizona nor London is currently observing daylight saving time. If either city observes DST, the time difference will change by 1 hour when DST begins or ends. Always double-check before scheduling across these time zones during March–April and October–November.

Practical Tips for Arizona–London Scheduling

Frequently Asked Questions

What is the time difference between Arizona and London?

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

Does the time difference change during the year?

It can. If either Arizona or London observes daylight saving time, the gap will shift by 1 hour during the transition periods (typically March–April and October–November).

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

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

How do I convert Arizona time to London time?

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

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