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 w...
1. daily technique 
4.3 Japanese 4th SpeedCalendar/Memory Sports workshop
*This workshop will be held in Japanese, thus, the schedule below is written in Japanese. English or Chinese session als...
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 d...
2. Calendar knowledge Ghanaian name system
Ghanaian name systemOne of the reason why SpeedCalendar commissioner is interested in Calendar system is Ghanaian name s...
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」。日数に1...
2.1 Kurukuru Method Technique for day calculation is out! (in Japanese)
SpeedCalendar technique has been disclosed! Enjoy! (English version and Chinese version are coming soon.)
4.3 Japanese 3rd SpeedCalendar Workshop
*This workshop will be held in Japanese, thus, the schedule below is written in Japanese. English or Chinese session als...
4.3 Japanese [Report]2nd SpeedCalendar workshop
2020/08/14 (Fri) 10:30-12:00zoom5JapaneseThis is the second workshop of SpeedCalendar. Even though the participants who...
4.3 Japanese 2nd SpeedCalendar Workshop
*This workshop will be held in Japanese, thus, the schedule below is written in Japanese. English or Chinese session als...
4. Workshop 1st SpeedCalendar workshop
12/Aug/2020(Wed) 15:00-16:00zoom, in JapaneseThe first training workshop was successfully held with kind cooperation of ...