June 2026 in Sri Lanka
2 holidays / observances this month. Notable dates include World Environment Day, Poson Full Moon Poya Day. See the full 2026 calendar or holidays list.
Calendar
June 2026 — Sri Lanka
Full June 2026 calendar for Sri Lanka. Tap a marked day for holiday details.
Public / federal holidayObservanceInternational dayToday
June 2026
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Holidays in June
2 dates
World Environment Day
Fri, Jun 5 · Observance
Poson Full Moon Poya Day
Mon, Jun 29 · Public holiday