Calculate past time since ...

Calculator, how many time in weeks, days, hours, minutes and seconds has passed since a certain 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.

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