The Solar Petin-Gregorian Calendar

World Dual Petin-Meton Calendar

[1] World Dual Petin-Meton Calendar Date Conversion Software, , https://www.hermetic.ch/cal_sw/wdpm/wdpm.htm

[2] >>1 に実装があります。

[3] The Lunar Petin-Meton Calendar : 太陰太陽暦

[4] The Solar Petin-Gregorian Calendar : グレゴリオ暦 + The Lunar Petin-Meton Calendar