Global Days of Service: Dates, Scheduling, and How to Join
on 8th Dec, 2025
Discover how major volunteer observances like International Volunteer Day, MLK Day of Service, Nelson Mandela International Day, and World Cleanup Day are scheduled (fixed vs floating), how they differ by region, and the easiest ways to track them with countdowns, add them to your calendar, and plan meaningful community participation.
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Calendars at the Poles: How Antarctica and the Arctic Keep Time and Celebrate
on 7th Dec, 2025
Explore how polar stations choose time zones, survive the midnight sun and polar night, and decide when to celebrate holidays, birthdays, and “On This Day” milestones without normal sunrises or sunsets. Learn how international crews align observances, manage countdowns across multiple midnights, and record dates in official logs.
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One Country, Many Calendars: How Nations Publish Holiday Dates
on 5th Dec, 2025
Several nations officially announce holidays in multiple calendar systems, from Gregorian to Ethiopian, Bikram Samvat, Solar Hijri, and Hebrew. Discover how governments synchronize these announcements, avoid common conversion errors, and learn practical tips for mapping multi-calendar observances into your personal or business planner.
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