What time zone is Sion Mills in?

Sion Mills uses Greenwich Mean Time (GMT, UTC+0) in winter and British Summer Time (BST, UTC+1) in summer. Its IANA time zone is Europe/London.

When is the next clock change in Sion Mills?

Clocks in Sion Mills move forward 1 hour on Sunday, March 28, 2027 at 1:00 AM, changing from GMT (UTC) to BST (UTC+01:00)

Does Sion Mills observe daylight saving time?

Yes. Sion Mills observes daylight saving time: BST (UTC+1) in summer and GMT (UTC+0) in winter.

What is the UTC offset of Sion Mills?

Sion Mills is UTC+0 in winter and UTC+1 in summer

Current Time in Sion Mills, Derry City and Strabane, Northern Ireland, United Kingdom

10:03:40 AM

10:03:40

Thursday, November 12, 2026

GMT (Greenwich Mean Time) · UTC

Europe/London

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Time zone details

Sion Mills is currently on standard time; daylight saving time is observed in 2026

Daylight in Sion Mills

Sunrise7:54 AMSolar noon12:14 PMSunset4:32 PM

Next clock changeMar 28, 2027 · Clocks move forward 1 hour · in 135 daysUpcomingView details Weather nowLoading current forecast…Forecast details

Location facts

Place

Country: United Kingdom
Administrative area: Northern Ireland
District: Derry City and Strabane
Place type: Populated place
Country currency: British Pound (GBP)

Practical

Country languages: English, Welsh, Scottish Gaelic
Dialing code: +44
Population: 2,212
Elevation: Approximately 30 m (DEM estimate)

Geography

Geographic coordinates: 54° 47' N / 7° 28' W

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Clock changes in Sion Mills

Next clock change

Upcoming

Sunday, March 28, 2027

1:00 AM GMT2:00 AM BST

Clocks move forward 1 hour

Sunday, March 29, 2026past
Daylight saving time starts
1:00 AM GMT2:00 AM BST
Clocks move forward 1 hour
Sunday, October 25, 2026past
Daylight saving time ends
2:00 AM BST1:00 AM GMT
Clocks move back 1 hour

Future clock changes, 2027–2030

United Kingdom daylight saving time Clock changes worldwide

Sun & Moon details

Sunrise: 7:54 AM
Solar noon: 12:14 PM
Sunset: 4:32 PM
Daylight duration: 8 hr 37 min3 min 43 sec shorter than the previous day

Civil twilight: 7:14 AM – 5:12 PM
Nautical twilight: 6:30 AM – 5:56 PM
Astronomical twilight: 5:48 AM – 6:38 PM

Waxing CrescentMoon illumination10%

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Thursday, November 12, 2026

View Sion Mills on Savvy Time's time-zone map

Sun

Sunrise: 7:54 AM (southeast, 120.5°)
Sunset: 4:32 PM (southwest, 239.3°)
Day length: 8 hr 37 min3 min 43 sec shorter than the previous day
Solar noon: 12:14 PM (17.5° altitude)

Civil twilight

Dawn to dusk: 7:14 AM – 5:12 PM

Additional twilight

Nautical dawn to dusk: 6:30 AM – 5:56 PM
Astronomical dawn to dusk: 5:48 AM – 6:38 PM

Moon

Phase: Waxing Crescent (10% illuminated)
Moonrise: 11:57 AM (southeast, 143.9°)
Moonset: 5:43 PM (southwest, 216.3°)
Previous principal phase: New Moon — Monday, November 9, 2026 at 7:02 AM
Next principal phase: First Quarter — Tuesday, November 17, 2026 at 11:48 AM

Seven-day daylight outlook

Sunrise, sunset, and daylight for seven local dates
Local date	Sunrise	Sunset	Day length	Daily change
Thursday, November 12	7:54 AM	4:32 PM	8 hr 37 min	3 min 43 sec shorter than the previous day
Friday, November 13	7:56 AM	4:30 PM	8 hr 34 min	3 min 41 sec shorter than the previous day
Saturday, November 14	7:58 AM	4:29 PM	8 hr 30 min	3 min 38 sec shorter than the previous day
Sunday, November 15	8:00 AM	4:27 PM	8 hr 27 min	3 min 34 sec shorter than the previous day
Monday, November 16	8:02 AM	4:25 PM	8 hr 23 min	3 min 32 sec shorter than the previous day
Tuesday, November 17	8:04 AM	4:24 PM	8 hr 20 min	3 min 28 sec shorter than the previous day
Wednesday, November 18	8:06 AM	4:22 PM	8 hr 16 min	3 min 25 sec shorter than the previous day

Weather forecast for Sion Mills

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Plan around Sion Mills

Upcoming public holidays in Northern Ireland

Fri, Dec 25, 2026Christmas Day
Sat, Dec 26, 2026Boxing Day
Mon, Dec 28, 2026Boxing Day (substitute day)

Nearby places

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Frequently asked questions

What time zone is Sion Mills in?: Sion Mills uses Greenwich Mean Time (GMT, UTC+0) in winter and British Summer Time (BST, UTC+1) in summer. Its IANA time zone is Europe/London.
When is the next clock change in Sion Mills?: Clocks in Sion Mills move forward 1 hour on Sunday, March 28, 2027 at 1:00 AM, changing from GMT (UTC) to BST (UTC+01:00)
Does Sion Mills observe daylight saving time?: Yes. Sion Mills observes daylight saving time: BST (UTC+1) in summer and GMT (UTC+0) in winter.
What is the UTC offset of Sion Mills?: Sion Mills is UTC+0 in winter and UTC+1 in summer