Abbreviation of 月曜日. Common in casual schedules, timetables, and text messages.
See also: 月曜
The next meeting is on Monday afternoon.
I go to the gym on Mondays and Fridays.
this month
Monday
end of the month
last month
next month
monthly publication; monthly issue
monthly amount; monthly sum
month-long period; month
monthly income; monthly salary
full moon
monthly salary
autumn moon; harvest moon
half-moon · half a month · semicircle
moonlight; moonbeam
moon's surface; lunar surface
the same month; that month
time; years
in the moonlight; under the moon
new moon; first day of the lunar month · crescent moon
sun and moon · time; days and months; years · Sunday and Monday
following month; next month
several months
menstruation; menstrual period
last month; previous month
moon viewing
honeymoon · honeymoon period; intimate relationship
moonlight; moonbeams; moon
lunar eclipse
harvest moon; mid-autumn moon · bright moon; full moon
Abbreviation of 月曜日 (Monday), from 月 (moon) + 曜日 (day of the week).