Time and Date

• 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.