Barlow Calendar

Each month of the Barlow Calendar starts on a Monday and has 28 days. How is this possible? Extra-calendar NoDays!

The extra-calendar days are all holidays and follow weekends, at the end of a month. The extra-calendar days are not days of the week (i.e. not Monday, Tuesday,...). Every month is the same.

Every month is practically the same in the Barlow Calendar

This was proposed by a American engineer, Warren Barlow in Washington DC. I think I saw it in People's Almanac in the 1970's. (Reference needed!) Each month starts on a Monday and ends with the 28th on a Sunday. (Also, the 28th of April is always Easter Sunday.)

Every month has 28 days plus a variable number of extra calendar Nodays.

The extra calendar days are not days of the week, they are just numbers, or ordinally the 3rd day of Summer Festival. (Seems like they should also be referred to as the 29th, etc, for business purposes.)

The Summer festival would have an extra day added to it in leap years.

There would be no irregularities in the first through last working days of the month. However, the Nodays would still be business days that companies would have to account for. Perhaps business would be suspended as much as possible during those days? Reportedly, Barlow calculated immense savings by doing this calendar reform.

Note emphasis on Christian Holidays. Also, the Northern Hemishere is favored — extra days are added in the Northern summer.

Extra-calendar Days

At least some attempt to generalize (secularize) the 'holidays'.

Month Extra Calendar Days Celebration
January 29 Winter Festival
February 29 National Hero's Day
March 29 Spring Festival
April 29..30..31 Easter Holiday?
May 29..30..31..32.. Summer Festival (33 days in leap years)
June 29..30..31..32 Festival of Peace
July 29..30..31 Festival of Independence
August 29..30 Festival of Friendship
September 29..30 Autumn Festival
October 29 Music Festival
November 29..30 Thanksgiving Holiday
December 29..30..31..32..33 Christmas Holiday

World Calendar

The World Calendar is a 12-month, perennial calendar with equal quarters. It is perennial, or perpetual, because it remains the same every year.

Each quarter begins on Sunday, ends on Saturday. The quarters are equal: each has exactly 91 days, 13 weeks or 3 months. The three months have 31, 30, 30 days respectively. Each quarter begins with the 31-day months of January, April, July, or October.

The World Calendar also has the following two additional days to maintain the same new year days as the Gregorian calendar.

The The World Calendar

Hanke—Henry Permanent Calendar

In 2015, I saw the Hanke—Henry Permanent Calendar (plus Time). Each year has 4 quarters of 3 months, with 30-30-31 days. Each quarter starts on Sunday. Various extra (xtr) days appear at the end of the year, depending on the year.

An analysis of Hanke—Henry calendar is made on this page, following some obligatory background stuff: [LINK].

Hanke—Henry Permanent Calendar

International Fixed Calendar

The calendar year has 13 months each with 28 days plus an extra day at the end of the year not belonging to any month. Each year coincides with the corresponding Gregorian year.

The months are named the same as for the Gregorian calendar except that a month called Sol is inserted between June and July.

In leap years, a leap day, also belonging to no month is inserted after June and before the new month.

International Fixed Calendar

Calendar reform

See Calendar Reform on Wikipedia, where I got the info on the International Fixed, and World calendars.

Calendar Reform