London to Mastic time converter

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

London BST

Sunday, October 18, 2026

Mastic EDT

Sunday, October 18, 2026

London
United Kingdom
Sun, Oct 18
BSTUTC+1
Mastic
New York, United States
Sun, Oct 18
EDTUTC-4-5h
Finding your time zone…
Shared working hours (9:00–18:00)

London to Mastic conversion table

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

LondonMastic
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 Mastic).

Daylight saving time and the difference

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

  • Oct 18, 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 18, 2027: -5h

Distance

London and Mastic are 5,487 km (3,409 miles) apart in a straight line.

More conversions

Mastic to LondonLondon to New YorkLondon to Los AngelesLondon to ChicagoLondon to TorontoLondon to São PauloLondon to ParisLondon to BerlinLondon to MoscowLondon to DubaiLondon to New DelhiLondon to BangkokLondon to Singapore
New York to MasticLos Angeles to MasticChicago to MasticToronto to MasticSão Paulo to MasticParis to MasticBerlin to MasticMoscow to MasticDubai to MasticNew Delhi to MasticBangkok to MasticSingapore to Mastic

Questions and answers

What is the time difference between London and Mastic?

Mastic is 5 hours behind London.

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

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

When is the best time to call Mastic from London?

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

Does the time difference between London and Mastic change?

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