Weeks Between - Date Calc

How many weeks has it been? Weeks Between answers instantly.

Pick two dates and get the difference in years, months, weeks, days, hours, minutes, and seconds — all at once. Whether you're counting the days since you started dating, how many weeks old your baby is, or how long you've been at your job, the answer is one tap away.

WHAT YOU CAN DO
• Date difference — choose a start and end date, see the full breakdown
• Total days, total weeks, total hours, minutes, and seconds
• Milestones — 100, 200, 365, 500, and 1000 days are calculated automatically
• Add / subtract — add or subtract days, weeks, or months from any date
• Weekday — instantly see which day of the week any date falls on
• Swap dates and jump to "Until Today" with one tap

PERFECT FOR
• Couples — "How many weeks have we been together?" "When is our 100th day?"
• Parents — "How many weeks old is the baby?" "When is the 100-day celebration?"
• Work — "How many days since I joined?" "When does my probation end?"
• Travel — "How many weeks until the trip?"
• Students — "How many days until the exam?" "How many weeks until graduation?"
• Health — "How many days since I quit smoking?"

WHY YOU'LL LIKE IT
• 100% offline — all calculations happen on your device, nothing is uploaded
• Fast and simple — no sign-up, no clutter
• Accurate calendar math, including leap years
• Light and dark theme
• 37 languages
• Free

Stop counting on your fingers. Let Weeks Between do the math.