This cube is a perpetual calendar. By twisting and rotating it, you can set it to today's date.
The weekday in blue characters is located at the top.
The month in white characters on red is shown in the middle row.
The day in black characters is located at the bottom right.
月曜日 getsuyōbi (Monday, moon day)
火曜日 kayōbi (Tuesday, fire day)
水曜日 suiyōbi (Wednesday, water day)
木曜日 mokuyōbi (Thursday, wood day)
金曜日 kin'yōbi (Friday, metal/gold day)
土曜日 doyōbi (Saturday, earth day)
日曜日 nichiyōbi (Sunday, sun day)
一月 ichigatsu (January, 1st month)
二月 nigatsu (February, 2nd month)
三月 sangatsu (March, 3rd month)
四月 shigatsu (April, 4th month)
五月 gogatsu (May, 5th month)
六月 rokugatsu (June, 6th month)
七月 shichigatsu (July, 7th month)
八月 hachigatsu (August, 8th month)
九月 kugatsu (September, 9th month)
十月 jūgatsu (October, 10th month)
十一月 jūichigatsu (November, 11th month)
十二月 jūnigatsu (December, 12th month)
一 tsuitachi, sometimes ichijitsu (1st)
二 futsuka (2nd)
三 mikka (3rd)
四 yokka (4th)
五 itsuka (5th)
六 muika (6th)
七 nanoka, nanuka (7th)
八 yōka (8th)
九 kokonoka, kokonuka (9th)
十 tōka (10th)
十一 jūichinichi (11th)
十二 jūninichi (12th)
十三 jūsannichi (13th)
十四 jūyokka (14th)
十五 jūgonichi (15th)
十六 jūrokunichi (16th)
十七 jūshichinichi (17th)
十八 jūhachinichi (18th)
十九 jūkunichi (19th)
二十 hatsuka, sometimes nijūnichi (20th)
二十一 or 廿一 nijūichinichi (21st)
二十二 or 廿二 nijūninichi (22nd)
二十三 or 廿三 nijūsannichi (23rd)
二十四 or 廿四 nijūyokka (24th)
二十五 or 廿五 nijūgonichi (25th)
二十六 or 廿六 nijūrokunichi (26th)
二十七 or 廿七 nijūshichinichi (27th)
二十八 or 廿八 nijūhachinichi (28th)
二十九 or 廿九 nijūkunichi (29th)
三十 sanjūnichi (30th)
三十一 or 卅一 sanjūichinichi (31st)