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.

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.

Free date calculator — add or subtract days, weeks, months, or years from any date. Calculate the exact duration between two dates for scheduling and planning.

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