January 25 1981 was a Sunday.
January 25, 2020 falls on a Saturday.
January: I 25: XXV 2009: MMIX 2010: MMX
Between January 27, 2010 and November 25, 2010 there are 302 days.
You've actually already answered your question. If you have a 25 day cycle then your period will start on day 1 and occur every 25 days!
There is no such thing as opposite day! YES IT IS! OPPOSITE DAY IS ON JANUARY 25
January 25 1971 was a Monday.
Opposite Day in 2012 fell on January 25th. It is typically observed on January 25th each year.
January 25, 1997 was a Saturday.
25 January 2002 was a Friday.
25 January 1874 was a Sunday.
25 January 1943 was a Monday.
January 25 1955 was a Tuesday.
January 25, 1996 was a Thursday.
January 25, 1968 was a Thursday.
January 25 1981 was a Sunday.
January 25 2010 was a Monday.