Calendar

Date calculators, timezone converters, ICS file generators, and calendar utilities.

Free online calendar and time tools — timezone converters, countdown timers, meeting planners, business day calculators, and date difference utilities. Schedule across time zones and plan deadlines instantly with no signup.

4 tools · always free · no account needed

Timezone Converter

Convert time across multiple cities and zones

ICS Calendar Generator

Create downloadable .ics calendar events

Meeting Time Planner

Find overlapping hours across 3+ time zones

Countdown to Date

Countdown to a specific future date with live timer

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