The knuckle mnemonic is a mnemonic device for remembering the number of days in the months of the Julian and Gregorian calendars. == Methods == === One-handed === One form of the mnemonic is done by counting on the knuckles of one's hand to remember the number of days in each month.
The knuckle mnemonic is a mnemonic device for remembering the number of days in the months of the Julian and Gregorian calendars. == Methods == === One-handed === One form of the mnemonic is done by counting on the knuckles of one's hand to remember the number of days in each month.
Source: Wikipedia "Knuckle mnemonic" · CC BY-SA 4.0
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