Time, for the whole world.
Accurate. Instant. Free.
World clock, timezone converter, meeting scheduler, date calculator, sunrise & sunset, moon phases — and a full developer API. 33,000+ cities. 120+ countries.
World Clock
Live time in 12 major cities — updates every second
Every time tool you need
Built for remote teams, frequent travellers, developers, and anyone who works across time zones.
World Clock
Live time in 50 major cities. Grouped by region with day/night status and UTC offsets.
Timezone Converter
Convert any time between cities. Compare up to 6 locations side by side, live or fixed.
Date Calculator
Days between dates, add/subtract time, business days, age calculator. Instant results.
Public Holidays
Public holidays for 120+ countries. Past, present, and future years.
Sunrise & Sunset
Sunrise, sunset, solar noon, golden hour, and day length for any city worldwide.
Moon Phases
Full moon calendar with moon phase illustrations for every day of any month.
Calendar
Yearly and monthly calendars with ISO week numbers and moon phases.
Countdowns
Live countdown timers to 50+ global events — holidays, seasons, cultural moments.
Timezone Compare
Side-by-side timezone comparison for any two cities, with offset and DST info.
For AI Agents (MCP)
7 MCP tools for Claude and Cursor. One npx command to give your AI real-time data.
Developer API
22 REST endpoints. Time, timezones, holidays, astronomy, meeting fairness. Free tier.
Meeting Scheduler
Find fair meeting times across timezones with fairness scores. No one gets stuck at 2am.
Built for developers
REST API with 22 endpoints. OpenAPI spec. MCP server for AI agents. Add timezone intelligence to your app in minutes.
npx -y @timedate/mcp