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Time Basic Data - Calendar

Calendars are often different between countries, regions and cultures. This means a possibility that date expressions have to be converted to expressions according to the common calendar when various temporal information are analized. Tools and data for calendar conversion are provided here.

Calendar Conversion Tools

  • Calendar Conversion Form
    Date expressions in different calendars are converted each other on the Web page. You can use text strings which express date according to each calendar. to the form      


Tools and data in this site use enforced calendar date rather than logical date calculated according to calendar systems, and therefore, converted result may be different from results in other tools and data. There is detail information in expression about each calendar.more


Figure: Date expressions in diferent calendars are converted into a expression in the common calendar. Julian Day is used as the common calendar in this site.