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The Earth Calendar is a reform of the Gregorian Calendar developed and proposed by Brij Bhushan Vij . The months are almost the same except that 31 July moves to 29 February, 31 December becomes a global holiday, called World Peace Day as in the World Calendar, outside the week cycle, and Leap Day is 31 June, also outside the week cycle.

Months Edit

First Quarter Second Quarter Third Quarter Fourth Quarter
January
Week 1 2 3 4 5 6 7
Mon Tue Wed Thu Fri Sat Sun
W00 01 02 03 04 05 06 07
W01 08 09 10 11 12 13 14
W02 15 16 17 18 19 20 21
W03 22 23 24 25 26 27 28
W04 29 30 31
February
Week 1 2 3 4 5 6 7
Mon Tue Wed Thu Fri Sat Sun
W04 01 02 03 04
W05 05 06 07 08 09 10 11
W06 12 13 14 15 16 17 18
W07 19 20 21 22 23 24 25
W08 26 27 28 29
March
Week 1 2 3 4 5 6 7
Mon Tue Wed Thu Fri Sat Sun
W08 01 02 03
W09 04 05 06 07 08 09 10
W10 11 12 13 14 15 16 17
W11 18 19 20 21 22 23 24
W12 25 26 27 28 29 30 31
April
Week 1 2 3 4 5 6 7
Mon Tue Wed Thu Fri Sat Sun
W13 01 02 03 04 05 06 07
W14 08 09 10 11 12 13 14
W15 15 16 17 18 19 20 21
W16 22 23 24 25 26 27 28
W17 29 30
May
Week 1 2 3 4 5 6 7
Mon Tue Wed Thu Fri Sat Sun
W17 01 02 03 04 05
W18 06 07 08 09 10 11 12
W19 13 14 15 16 17 18 19
W20 20 21 22 23 24 25 26
W21 27 28 29 30 31
June
Week 1 2 3 4 5 6 7
Mon Tue Wed Thu Fri Sat Sun
W21 01 02
W22 03 04 05 06 07 08 09
W23 10 11 12 13 14 15 16
W24 17 18 19 20 21 22 23
W25 24 25 26 27 28 29 30
Leap Leap
July
Week 1 2 3 4 5 6 7
Mon Tue Wed Thu Fri Sat Sun
W26 01 02 03 04 05 06 07
W27 08 09 10 11 12 13 14
W28 15 16 17 18 19 20 21
W29 22 23 24 25 26 27 28
W30 29 30
August
Week 1 2 3 4 5 6 7
Mon Tue Wed Thu Fri Sat Sun
W30 01 02 03 04 05
W31 06 07 08 09 10 11 12
W32 13 14 15 16 17 18 19
W33 20 21 22 23 24 25 26
W34 27 28 29 30 31
September
Week 1 2 3 4 5 6 7
Mon Tue Wed Thu Fri Sat Sun
W34 01 02
W35 03 04 05 06 07 08 09
W36 10 11 12 13 14 15 16
W37 17 18 19 20 21 22 23
W38 24 25 26 27 28 29 30
October
Week 1 2 3 4 5 6 7
Mon Tue Wed Thu Fri Sat Sun
W39 01 02 03 04 05 06 07
W40 08 09 10 11 12 13 14
W41 15 16 17 18 19 20 21
W42 22 23 24 25 26 27 28
W43 29 30 31
November
Week 1 2 3 4 5 6 7
Mon Tue Wed Thu Fri Sat Sun
W43 01 02 03 04
W44 05 06 07 08 09 10 11
W45 12 13 14 15 16 17 18
W46 19 20 21 22 23 24 25
W47 26 27 28 29 30
December
Week 1 2 3 4 5 6 7
Mon Tue Wed Thu Fri Sat Sun
W47 01 02
W48 03 04 05 06 07 08 09
W49 10 11 12 13 14 15 16
W50 17 18 19 20 21 22 23
W51 24 25 26 27 28 29 30
* WPD

Leap Rule Edit

June has an extra day outside the week cycle at the end every 4 years except in the last of a cycle 128 years long. Therefore there are 31 leap days per cycle, 365+31/128 = 365.2421875 days per mean year, and a cycle contains 365*128+31 = 46751 days.

Seven 128-year cycles, i.e. 896 years, contain exactly 11082 lunations. This makes a mean lunation about 29.53049991 days long.

Alternately a leap week may be used instead of Leap Day and World Peace Day. Proposed leap week rules, all yielding 365.2421875 days per mean year, are

  • every sixth year a leap week is added and 29 more are spread across 21 cycles (i.e. 2688 years): 52 + 1/6 + 29/2688
  • every seventh year a leap week is added and 31 more are spread across 7 cycles (i.e. 896 years): 52 + 1/7 + 31/896
  • every eighth year a leap week is added and 47 more are spread across 7 cycles (i.e. 896 years): 52 + 1/8 + 47/896

Begin of Year Edit

The year starts with the Northern winter solstice. The necessary shift is proposed to take place in the end of 2012 by omission of the last week of the year.

Global Holidays Edit

  • Leap Day, 31 June
  • United Nations Day, Sunday 30 September
  • World Peace Day, 31 December

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