Recurring Weekly Event Next Occurrence
Calculator

Inputs

Days until the next occurrence
4

Results

Days until the next occurrence
4
Occurrences elapsed since day zero
1
Recurrence interval (days)
7
Weeks until the next occurrence
0.571428

Time and date results

Days until the next occurrence4
Occurrences elapsed since day zero1
Recurrence interval (days)7
Weeks until the next occurrence0.571428

formula-map diagram

Days until the next occurrence
4
Occurrences elapsed since day zero
1
Recurrence interval (days)
7
Weeks until the next occurrence
0.571428

Time relationship

Formula

days until next = interval − (days since last mod interval), or 0 if it falls exactly today

= 4

Note

This is a simplified model: it uses fixed conversions (60 minutes per hour, 24 hours per day, 7 days per week, 365 days per year) and ignores leap years, daylight saving changes, public holidays and irregular month lengths. Check the result against a real calendar before relying on it.

More in Time and date

See all →