Time & Date Calculator – iOS
See how long remains before a deadline or exactly when those 30 days are up... more
Find out how many days, months and years there are between any two dates.
Add or subtract any number of days to/from a start date.
Find the precise duration between two dates and times — down to the second.
Add or subtract days, hours, minutes, and seconds to/from a start date and time.
Day length, azimuth, distance etc.
Equinoxes and Solstices mark the beginning of a new astronomical sesason. Local dates and times.