1. daily technique November 2020 starts
2020年11月は「+6の月」。日数に6を足した数の7の余りが曜日に対応。
2020 Nov is "+6 month". Reminder divided by 7 of day plus 6 represents the day of...
8. Calendar
1. daily technique 
1. daily technique October 2020 starts
2020年10月は「+3の月」。日数に3を足した数の7の余りが曜日に対応します。
2020 October is "+3 month". Reminder divided by 7 of day plus 3 represents the...
2. Calendar knowledge Ghanaian name system
Ghanaian name system
One of the reason why SpeedCalendar commissioner is interested in Calendar system is Ghanaian name...
1. daily technique September 2020 starts
2020 September is "+1 month". Reminder divided by 7 of day num plus 1 represents the day of the week.
2020年9月は「+1の月」。...