See Leap week calendar.
To add an article to this category, put [[Category:Leap Week Calendars]] in that article.
“The 4–4–5 calendar is a method of managing accounting periods. It is a common calendar structure...4-4-5 Calendar
“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 Symmetry454 Calendar (Sym454) is a proposal for Gregorian calendar reform developed by Dr...Symmetry454 Calendar
“Each quarter has 3 months, with the following lengths: 30 days, 30 days,& 31 days, in that...30,30,31 Ossipoff Minimum-Displacement
This category has the following 2 subcategories, out of 2 total.
Pages in category "Leap Week Calendars"
The following 35 pages are in this category, out of 35 total.