Week numbers, date calculations, worldwide closures and timezone/calling code lookup.
E.g. 20th Aug + 75 days. Pick a date, an amount, a unit, and whether to add or subtract.
Major public holidays and closures likely to affect international work, shipping, or support coverage. Islamic dates depend on moon sighting and may shift by a day.
| Date | Holiday | Region |
|---|
Standard-time UTC offsets shown, some countries shift ±1 hour for daylight saving.
| Country | Calling code | UTC offset |
|---|