How it works
Day of Year Calculator is designed to give you the result immediately. The calculation or processing happens on your device for this tool, so normal use does not require an account or a file upload.
Privacy
This tool is marked offline-capable. Your inputs are used in the current browser/app session and are not required to be sent to Wiunix Tools to perform the operation.
Convert a calendar date to its ordinal day
Find whether a date is day 1 through 365, or 366 in a leap year, and see how many calendar days remain after that date in the same year.
- Ordinal day number
- Leap-year aware
- Days remaining
- Local calculation