Time & Scheduling Utilities

Live real-time clocks for major global financial hubs and cities worldwide.

Convert and compare times across global time zones with drag-and-drop timeline sliders.

Find optimal overlapping working hours across distributed global remote teams.

National holidays, observances, and moon phases for 100+ countries.

Calculate sunrise, sunset, golden hour, twilight, and moon phases for any coordinates.

Track lunar illumination percentage, next full moon, and new moon dates.

Create precision countdown timers with audio alarms and shareable live links.

Millisecond-accurate online stopwatch with split lap tracking and CSV export.

Calculate working days between dates excluding weekends and regional public holidays.

Plan business operations and support coverage across global working hours.

Convert between 12-hour AM/PM and 24-hour military time formats instantly.

Convert raw seconds into days, hours, minutes, and human-readable duration strings.

Explore Unix timestamps, Year 2038 problem stats, and batch epoch conversions.

Generate dynamic Discord timestamp tags (<t:timestamp:R>) for chats and bots.

Convert Microsoft Excel numeric serial dates to standard calendar dates and back.

Calculate exact elapsed years, months, weeks, days, hours, and minutes between two dates.

Add or subtract days, weeks, months, or years from any starting date.

Check if any Gregorian calendar year is a leap year with astronomical explanations.

Determine the current ISO 8601 week number, day of year, and remaining weeks.

Browse official public holidays, bank holidays, and statutory observances worldwide.

Interval productivity timer with custom work/break intervals and session statistics.