Date Difference Calculator
Find the gap between two dates, add or subtract durations, and run a live countdown — with business days, holidays, ISO weeks, and timezone-aware math.
Pick two dates
From
To
Weekend definition
Holiday calendar
Holidays on selected calendar are removed from the business-day count.
Using browser timezone (UTC+00:00). UTC math under the hood.
B is in the future relative to A.
Calendar breakdown
2 months, 29 days
Total days
90days
12 weeks + 6 days.
Business days
65days
Weekends and selected holidays excluded.
Full weeks
12weeks
…and 6 days extra.
Total in each unit
Total years0.2464
Total months2.957
Total weeks12.857
Total days90.000
Total hours2,160
Total minutes129,600
Total seconds7,776,000
Total milliseconds7,776,000,000
From
Monday, June 1, 2026
Monday
ISO 86012026-06-01
ISO weekW23
Day of year152 / 366
QuarterQ2
To
Sunday, August 30, 2026
Sunday
ISO 86012026-08-30
ISO weekW35
Day of year242 / 366
QuarterQ3