Calendar- Create monthly and yearly calendars.
Date Calculator- Add to or subtract from a date.
First Day of Spring- Find the first day of spring.
First Day of Summer- Find the first day of summer.
Shortest Day of the Year- Find the shortest day of the year.
First Day of Winter- Find the first day of winter.
Longest Day of the Year- Find the longest day of the year.
Next Leap Year- Calculate when is the next leap year.
Is it Christmas?- Check if today is Christmas.
Day of the Week Calculator- Calculate day of the week for a date.
First Day of Autumn- Find the first day of autumn (fall).
Leap Years List- List all leap years between two years.
Time Between Two Dates- Calculate time duration between two dates with time.
Days Between Two Dates- Calculate the number of days between two dates.
When is Leap Year?- Find out when is the last and next leap year.
Day of the Year Calculator- Calculate day number of the year and days remaining.
Day of Year Calendar- Create day of year calendar.
Days in Month- Calculate days in month of a year.
Vernal Equinox Day- Find the date of vernal equinox.
Autumnal Equinox Day- Find the date of autumnal equinox.
Winter Solstice Day- Find the date of winter solstice.
Summer Solstice Day- Find the date of summer solstice.
Time to Decimal Converter- Convert hours, minutes and seconds time to decimal.
Is it Leap Year?- Check if a year is a leap year.
Decimal to Time Converter- Convert decimal time to hours, minutes and seconds.
Is it April Fool's Day?- Check if today is April fool's day.
Birth Day of the Week Calculator- Calculate what day of the week you were born.