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Western Province, Sri Lanka

Western Province keeps Sri Lanka Standard Time, UTC+5:30, all year. Colombo, Sri Jayawardenepura Kotte, Moratuwa, Negombo, and other cities share one clock, while sunrise depends on the selected place and date.

Colombo, Sri Lanka

Friday, 4 September 2026

UTC+5:30 · Asia/Colombo

Time and sun data for Colombo — the largest city of Western Province

The sun in Colombo

Sunrise 06:04 Solar noon 12:11 Sunset 18:18 Daylight 12 h 14 min Night 11 h 46 min Civil twilight 05:43 – 18:39

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Current time in Western Province, Sri Lanka

The current-time display applies across Western Province. Sri Lanka has a single national time zone, so clocks in the province agree with those in the rest of the country. There is no daylight saving adjustment to anticipate.

Its offset is five hours and thirty minutes ahead of UTC. That extra half-hour is easy to overlook in international scheduling. A time converted from London, New York, Dubai, Singapore, or another overseas location should be calculated from the relevant offset on the appointment date.

Colombo may be busy, but at least every part of the city is late or early by the same clock.

One clock across the Colombo urban area

Western Province contains Sri Lanka’s largest concentration of urban communities. Colombo, Sri Jayawardenepura Kotte, Dehiwala-Mount Lavinia, Moratuwa, and Negombo all use the same local time. Moving among them requires travel planning, not a watch adjustment.

Colombo follows UTC+5:30. Sri Jayawardenepura Kotte shares Colombo’s time. Dehiwala-Mount Lavinia and Moratuwa use the national clock. Negombo has no separate coastal time zone. When reading a timetable, check whether it uses the twenty-four-hour clock or includes an AM or PM marker. Airport, railway, business, and event schedules can follow different presentation styles even though they refer to the same local time.

International callers should consider both the time difference and the calendar date. An evening in Western Province may still be morning elsewhere, and an appointment close to midnight can fall on different dates for the participants.

Sunrise near Colombo and the western coast

Sunrise moves through the civil clock over the year. It also varies slightly from one part of the province to another. A value calculated for central Colombo is useful nearby, but precise planning calls for the coordinates of the beach, neighbourhood, hotel, or workplace concerned.

The astronomical sunrise assumes a clear, unobstructed horizon. Along the western coast, the morning Sun rises over land rather than the open sea, so buildings, vegetation, and terrain may block the first direct rays. Dense development can make the street-level experience noticeably different from the published calculation.

Natural light begins to increase before sunrise during twilight. Photographers and early travellers may therefore want both twilight and sunrise information. Weather remains a separate issue: cloud can obscure the Sun, but it does not alter the calculated moment when the Sun crosses the horizon.

Questions and answers
What is the time difference between Western Province and UTC?
Western Province is five hours and thirty minutes ahead of UTC.
Is the time in Colombo different from Negombo?
No. Both cities use Sri Lanka Standard Time.
Can one sunrise value cover the whole province?
It can provide a broad guide, but an exact value should be calculated for the intended place and date.

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