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What is SpeedCalendar

SpeedCalendar is a mental training activity in relation to Calendar system. We compete our speed (time) to calculate the day of the week.

#SpeedCalendar

Official Timer

SpeedCalendar 1 minute
SpeedCalendar Audio
SpeedCalendar Print
SpeedCalendar 5 days timer

Quick Manual

How to calculate Day of Week

English
Japanese(日本語)
Chinese(中文)

Official Competition

37th 2024/4/20 (Sat) 15:30-16:00 (Japan Standard Time, UTC +0900)
38rd 2024/5/12 (Sun) 15:30-16:00 (Japan Standard Time, UTC +0900)

Official Record

(a) 1 minute
25/25 (Apr 2023, Kurukuru)
all record

(b) 1 minute (Japanese Gengo)
13/13 (Apr 2024, Kurukuru)
all record

Unofficial record

Record spreadsheet

SpeedPi

SpeedPi (beta)
unofficial Record

Recent article

SpeedCalendar Print is now available!
元号変換方法（Gengo – Western Year conversion method）
SpeedCalendar now supports Japanese Gengo
[Announcement] Competition format changes
13th SpeedCalendar official competition result (2022/04/17)

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1. Service4
2. Technique3
- 2.1 Kurukuru Method1
3. Timer3
- 3.1 Speed Cube Timer1
- 3.2 Other Timer2
4. Workshop8
- 4.3 Japanese8
5. Publish7
- 5.1 Manual4
- 5.2 Video4
6. Competition19
8. Calendar10
- 1. daily technique8
- 2. Calendar knowledge2

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