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Sri Lanka does NOT observe Daylight Saving Time. Local clocks remain constant throughout the year on standard time, with no seasonal spring/fall 1-hour adjustments.
Optimal overlapping time windows to schedule remote team meetings, vendor synchronization, and client calls between major global economic regions and Sri Lanka.
Timezone Twins: The following countries and territories share the exact same standard clock as Sri Lanka:
The directory below details the official time zone designations, IANA database identifiers, real-time clocks, and standard UTC offsets active across Sri Lanka.
Complete schedule of national holidays, bank closures, religious festivals, and observances. Switch between years (2024–2028) and filter by holiday category:
| Date | Holiday Name | Classification | Calendar Basis | Office Status |
|---|---|---|---|---|
| 2026-04-14 | National New Year | Public | gregorian | Closed 🔴 |
| 2026-05-01 | May Day | Public | gregorian | Closed 🔴 |
| 2026-05-03 | Vesak Day | Religious | buddhist | Open 🟢 |
| 2026-06-02 | Poson Poya | Religious | buddhist | Open 🟢 |
| 2026-07-02 | Esala Poya | Religious | buddhist | Open 🟢 |
| 2026-02-04 | Independence Day | Public | gregorian | Closed 🔴 |
| 2026-12-25 | Christmas Day | Public | gregorian | Closed 🔴 |
| 2026-01-14 | Thai Pongal | Religious | tamil | Open 🟢 |
| 2026-01-18 | Mahavarshi Day | Religious | hindu | Open 🟢 |
| 2026-04-03 | Good Friday | Religious | christian | Open 🟢 |
| 2026-05-01 | Labour Day | Public | gregorian | Closed 🔴 |
| 2026-10-20 | Deepavali | Religious | hindu | Open 🟢 |
| 2026-02-22 | Navam Poya | Religious | buddhist | Open 🟢 |
| 2026-03-23 | Medin Full Moon Poya | Religious | buddhist | Open 🟢 |
| 2026-01-23 | Duruthu Poya | Religious | buddhist | Open 🟢 |
| 2026-04-22 | Bak Full Moon Poya | Religious | buddhist | Open 🟢 |
| 2026-05-19 | National War Heroes Day | Observance | gregorian | Open 🟢 |
| 2026-07-18 | Vassana Day | Religious | buddhist | Open 🟢 |
| 2026-11-20 | Pirith Poya | Religious | buddhist | Open 🟢 |
| 2026-12-21 | Unduwap Full Moon Poya | Religious | buddhist | Open 🟢 |
| 2026-01-23 | Il Full Moon Poya | Religious | buddhist | Open 🟢 |
| 2026-04-21 | Binara Poya | Religious | buddhist | Open 🟢 |
| 2026-04-13 | Sinhala and Tamil New Year | Public | gregorian | Closed 🔴 |
| 2026-02-04 | Ramadan | Religious | islamic | Open 🟢 |
| 2026-03-04 | Eid al-Fitr | Religious | islamic | Open 🟢 |
| 2026-06-14 | Eid al-Adha | Religious | islamic | Open 🟢 |
Physiological time difference and circadian adjustment expectations when traveling to Sri Lanka:
Official format conventions and time standards recognized in Sri Lanka:
| Preferred Date Format | DD-MM-YYYY |
|---|---|
| Standard Clock Format | 12-hour |
| First Day of the Week | Sunday |
| 24-Hour Military Clock Used? | No (Primarily 12-hour AM/PM) |
Sri Lanka has consistently used UTC+05:30.
The current time in Sri Lanka is based on Asia/Colombo with a UTC offset of UTC+05:30. Real-time clocks above are synchronized with high-precision atomic stratum-1 time servers.
No, Sri Lanka does not observe Daylight Saving Time. Clocks remain on standard time all year.
Standard business hours in Sri Lanka are typically 09:00 - 17:00, Monday through Friday.
Refer to the Remote Work Call Planner section above for region-specific recommended calling windows from the US, Europe, and Asia-Pacific.
The international telephone dialing code for Sri Lanka is +94.