Solomon Islandsの公的祝日 5月 2026

5月 2026 in Solomon Islands runs 31 calendar days, Northern-hemisphere spring and Southern-hemisphere autumn. Solomon Islands observes one public holiday in 5月 2026: Pentecost Monday. One of those — Pentecost Monday — falls on a weekday and reduces the working-day count by one. That leaves 20 working days for Solomon Islands businesses, payroll cycles, and project schedules in 5月 2026. May centres on May Day / Labour Day, observed in over 80 countries on the 1st, and on Memorial Day in the United States at the end of the month. For broader context, see the full 2026 calendar for Solomon Islands or the global view of holidays observed in 5月 2026 across all 190 countries we cover.