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iPad iPhone


Move up/down the picker wheel to select another calendar.

The current date will be updated automatically.

This table below provides information on the current date selected.

Button Export:
Press this button to copy the current selection into the paste-board.
You can then send a mail or create a note with the current date converted in all formats.

Button Init counter:
Press this button to reinitialise the counter of days.
This counter computes the number of days between two dates of two different calendars. This information is displayed in the table below.

The icon of the application can be customised.
Currently three calendars can display information:.
- ISO week date
- US week date
- ISO ordinal date
If this parameter is activated, the week number of today will be displayed.
If a red bar appears when converting a date, the original date is out of range and cannot be converted.

Global settings

Start application with the current date
If you activate this setting, the application will select the today date when it will start.
Otherwise, the last date selected will be displayed.

Create your own calendar

Few calendar can be personalized with a specific start date. So you can have a calendar with your birth date as a starting date. In that case the 1st January 1 will be the first date corresponding to your birthday.
Two calendars are currently available:
- gregorian calendar
- julian day counter

To have a day counter starting with your birthday, please proceed in three steps:

Step 1:
Select the 1st of January 1 in the Julian calendar.
Then reinitalize the day counter. This number must indicate 0.

Step 2:
Select your birth day in the gregorian calendar or your native calendar.
And remember the number indicated here. It is the number of days between the 1 January 1 in the Julian calendar and your date.

Step 3:
Copy this number in the cell below into the new custom calendar.

Step 4:
You can also configure the name of this calendar.