It's the second month of the year with exactly 30 days in it
The mean length of the synodic month is 29.53059 days (29 days, 12 
hours, ... month, or nodal month is the period in which the Moon returns to the 
same node of its orbit; .... Falgun- 30 days (31 days in leap year); Choitro- 30 
days... [DOC] [TLE] February - Wikipedia [PAR] February is the second month of the year in the Julian and Gregorian calendars.