ISO week number.
End time.
Months between.
Approximate.
Total minutes.
General add.
Ordinal date.
HH:MM to Dec.
Work days.
Countdown to event.
Subtract dur.
Total weeks.
Diff.
Birth year.
Day number.
Day of week.
What day was it?
Check year.
Convert to minutes.
Interval.
Duration.
Y-M-D.
Difference between dates.
Years between dates.
Sum times.
Exact age & next birthday.
Compare two.
Years passed.
Months/Weeks.
Years span.
Next birthday.
Add days.
Seconds lived.
Diff hours.
Add.
Approx phase.
Check.
Solar conv.
Between cities (hr).