mmyy format refers to the date month month year year, where M is the abbreviation of month in English, and Y is the abbreviation of year in English, so mmyy format refers to the format of date "month month year year".
Date MMYY represents month, month, year and year.
M is the abbreviation of month in English, and
Y is the abbreviation of year in English.
So the date MMYY represents month, month, year and year.
For example: May 2019 is represented by the date MMYY as: 05 19
Extended information:
Format mode Description
d one day. Single-digit dates have no leading zeros.
dd A certain day in the month. Single-digit dates have a leading zero.
M Monthly number. Single-digit months have no leading zeros.
MM Month number. Single-digit months have a leading zero.
y The year does not include the epoch. If the year without the epoch is less than 10, the year without leading zeros is displayed.
YY does not include the year of the Era. If the year without the epoch is less than 10, the year with leading zeros is displayed.
yyyy The four-digit year including the era.
h The hour in the 12-hour clock. Single-digit hours have no leading zeros.
hh Hour in 12-hour format. Single-digit hours have leading zeros.
H Hour in 24-hour format. Single-digit hours have no leading zeros.
HH Hour in 24-hour format. Single-digit hours have leading zeros.
m minutes. Single-digit minutes have no leading zeros.
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