Time and Date

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*Convert Time Units*

## Calculate past time since ...

Calculator how much time has passed in weeks, days, hours, minutes and seconds since a specific date. Preset are the beginning of the current day and the current date, these can be changed at will. The time past since then and the amount in weeks, in days, in hours, in minutes and in seconds will be calculated.

Time past: weeks, days, hours, minutes, seconds.

Past weeks: | |

Past days: | |

Past hours: | |

Past minutes: | |

Past seconds: |

The information about the time that has passed and the individual information about the past weeks, days, hours, minutes and seconds have all the same length of time, just with different units of time. So one week is converted into seven days and into 168 hours (7*24) and so on.

Example: since yesterday the same time of day, exactly one day has passed, which are 24 hours, 1440 minutes or 86400 seconds.

Another example: from midnight today until exactly one year from now, there are 52 weeks and one day if there is no February 29th in between, and 52 weeks and 2 days if this day, which only occurs every four years, is in this period. 52 weeks correspond to 364 days, i.e. one day less than the length of a normal year. Therefore, the day of the week of the same date in two different, consecutive years is one more if there is no leap year (for example, from Monday to Tuesday) and two more if there is a leap day in between (for example, from Monday to Wednesday).

This calculator is designed for everyday use, it can only process years in our era. If you go further back or forward than a few hundred years, incorrect values may be calculated. The time elapsed is displayed in weeks, days, hours, minutes and seconds, as these units of time are unique. Months and years, on the other hand, are not unique units of time, they have different lengths. Therefore, these are not displayed in the result.

**Time and Date Calculators**

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