See Leap week calendar.
To add an article to this category, put [[Category:Leap Week Calendars]] in that article.
“The ISO week date system is a leap week calendar system that is part of the ISO 8601 date and...ISO week date
“To make a calendar based on the numbering of weeks such as ISO week more interesting, the weeks...Playing Card Calendar
“The 4–4–5 calendar is a method of managing accounting periods. It is a common calendar structure...4-4-5 Calendar
“A standard year will have 52 weeks of 7 days. This totals 364 days. Rather than a leap-week...Double Week Calendar
This category has the following 2 subcategories, out of 2 total.
Pages in category "Leap Week Calendars"
The following 34 pages are in this category, out of 34 total.