London to Waterbury time converter

Waterbury is 5 hours behind London. When it is 9:00 AM in London, it is 4:00 AM in Waterbury.

London BST

Wednesday, October 21, 2026

Waterbury EDT

Wednesday, October 21, 2026

London
United Kingdom
Wed, Oct 21
BSTUTC+1
Waterbury
Connecticut, United States
Wed, Oct 21
EDTUTC-4-5h
Finding your time zone…
Shared working hours (9:00–18:00)

London to Waterbury conversion table

Every hour of today in London and the matching time in Waterbury. Light rows are typical working hours (9:00–18:00).

LondonWaterbury
12:00 AM7:00 PM−1 day
1:00 AM8:00 PM−1 day
2:00 AM9:00 PM−1 day
3:00 AM10:00 PM−1 day
4:00 AM11:00 PM−1 day
5:00 AM12:00 AM
6:00 AM1:00 AM
7:00 AM2:00 AM
8:00 AM3:00 AM
9:00 AM4:00 AM
10:00 AM5:00 AM
11:00 AM6:00 AM
12:00 PM7:00 AM
1:00 PM8:00 AM
2:00 PM9:00 AM
3:00 PM10:00 AM
4:00 PM11:00 AM
5:00 PM12:00 PM
6:00 PM1:00 PM
7:00 PM2:00 PM
8:00 PM3:00 PM
9:00 PM4:00 PM
10:00 PM5:00 PM
11:00 PM6:00 PM

Best time to call or meet

Both sides are at work from 2:00 PM – 6:00 PM in London (9:00 AM – 1:00 PM in Waterbury).

Daylight saving time and the difference

The difference changes during the year because London and Waterbury switch clocks on different dates:

  • Oct 21, 2026 – Oct 25, 2026: -5h
  • Oct 25, 2026 – Nov 1, 2026: -4h
  • Nov 1, 2026 – Mar 14, 2027: -5h
  • Mar 14, 2027 – Mar 28, 2027: -4h
  • Mar 28, 2027 – Oct 21, 2027: -5h

Distance

London and Waterbury are 5,449 km (3,386 miles) apart in a straight line.

More conversions

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New York to WaterburyLos Angeles to WaterburyChicago to WaterburyToronto to WaterburySão Paulo to WaterburyParis to WaterburyBerlin to WaterburyMoscow to WaterburyDubai to WaterburyNew Delhi to WaterburyBangkok to WaterburySingapore to Waterbury

Questions and answers

What is the time difference between London and Waterbury?

Waterbury is 5 hours behind London.

What time is it in Waterbury when it is 9 AM in London?

When it is 9:00 AM in London, it is 4:00 AM in Waterbury.

When is the best time to call Waterbury from London?

Both sides are at work from 2:00 PM – 6:00 PM in London (9:00 AM – 1:00 PM in Waterbury).

Does the time difference between London and Waterbury change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.