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2021.01.23

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1. daily technique

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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...

1. daily technique

Full memorization method training tool is available now!

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Full memorization method training tool is available now!

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1. daily technique

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 Timer
SpeedCalendar 1 minute Timer

Quick Manual

How to calculate Day of Week

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Japanese(日本語)
Chinese(中文)

Official Competition

2022/01/22 (sat) 13:00-14:30 (Japan Standard Time, UTC +0900)

2022/02/05 (sat) 13:00-14:00 (Japan Standard Time, UTC +0900)

Official World Record

11.207s @kosaka (5 days single)
17.710s @KurukuruCaptain (5 days average)
13/13 @kosaka(1 minute)

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9th SpeedCalendar official competition result (2021/12/18)
8th SpeedCalendar official competition result (2021/11/21)
7th SpeedCalendar official competition result (2021/10/23)
5th SpeedCalendar official competition result (2021/08/21)
SpeedCalendar official competition

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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 Timer

SpeedCalendar 1 minute Timer
Quick Manual
How to calculate Day of Week

English

Japanese(日本語)

Chinese(中文)
Official Competition

2022/01/22 (sat) 13:00-14:30 (Japan Standard Time, UTC +0900)

2022/02/05 (sat) 13:00-14:00 (Japan Standard Time, UTC +0900)
Official World Record
11.207s @kosaka (5 days single)

17.710s @KurukuruCaptain (5 days average)

13/13 @kosaka(1 minute)
Unofficial record
Record spreadsheet
Recent article
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Archive
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Facebook

Twitter
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