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The conversion table of the old calendar of one month is displayed from the specified year and month.
When years to be examined are selected and "calculate the old calendar" button is clicked, the conversion table of the solar calendar and the old calendar is displayed.
It is possible to examine it by the six basic labels of the old calendar.
| Solar calendar | A day of the week | -> | Old calendar | Six basic labels | Intercalary month |
|---|---|---|---|---|---|
| January 1, 2020 | Wed. | December 7, 2019 | Shakkou | ||
| January 2, 2020 | Thurs. | December 8, 2019 | Senshou | ||
| January 3, 2020 | Fri. | December 9, 2019 | Tomobiki | ||
| January 4, 2020 | Sat. | December 10, 2019 | Senbu | ||
| January 5, 2020 | Sun. | December 11, 2019 | Butsumetsu | ||
| January 6, 2020 | Mon. | December 12, 2019 | Taian | ||
| January 7, 2020 | Tues. | December 13, 2019 | Shakkou | ||
| January 8, 2020 | Wed. | December 14, 2019 | Senshou | ||
| January 9, 2020 | Thurs. | December 15, 2019 | Tomobiki | ||
| January 10, 2020 | Fri. | December 16, 2019 | Senbu | ||
| January 11, 2020 | Sat. | December 17, 2019 | Butsumetsu | ||
| January 12, 2020 | Sun. | December 18, 2019 | Taian | ||
| January 13, 2020 | Mon. | December 19, 2019 | Shakkou | ||
| January 14, 2020 | Tues. | December 20, 2019 | Senshou | ||
| January 15, 2020 | Wed. | December 21, 2019 | Tomobiki | ||
| January 16, 2020 | Thurs. | December 22, 2019 | Senbu | ||
| January 17, 2020 | Fri. | December 23, 2019 | Butsumetsu | ||
| January 18, 2020 | Sat. | December 24, 2019 | Taian | ||
| January 19, 2020 | Sun. | December 25, 2019 | Shakkou | ||
| January 20, 2020 | Mon. | December 26, 2019 | Senshou | ||
| January 21, 2020 | Tues. | December 27, 2019 | Tomobiki | ||
| January 22, 2020 | Wed. | December 28, 2019 | Senbu | ||
| January 23, 2020 | Thurs. | December 29, 2019 | Butsumetsu | ||
| January 24, 2020 | Fri. | December 30, 2019 | Taian | ||
| January 25, 2020 | Sat. | January 1, 2020 | Senshou | ||
| January 26, 2020 | Sun. | January 2, 2020 | Tomobiki | ||
| January 27, 2020 | Mon. | January 3, 2020 | Senbu | ||
| January 28, 2020 | Tues. | January 4, 2020 | Butsumetsu | ||
| January 29, 2020 | Wed. | January 5, 2020 | Taian | ||
| January 30, 2020 | Thurs. | January 6, 2020 | Shakkou | ||
| January 31, 2020 | Fri. | January 7, 2020 | Senshou |
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