Plan meetings across multiple timezones with a visual 24-hour slider. Find overlapping working hours, see who is sleeping, and generate calendar invites instantly. Free and private.

Convert Unix timestamps (seconds or milliseconds) to readable dates and back. A fast, free, and essential tool for developers working with epoch time, logs, and APIs.

Calculate age in years, months, and days from any birthdate. Get next birthday countdown, zodiac sign, and total time lived. Simple, fast, and accurate age tool.

Set a countdown to any date/time. Real-time display, start/pause/reset options. Great for events, launches, and personal reminders. No login needed.