The commonly give answer is something like this: "All months have 28 days, some even have more."
There are 31days in January and there is 28days in february and 31 days in march so all together there is 90days in the first three months
All of the months in the year have 28 days in them.Moreover ... All of the months except February have even more than thatevery year, and even February has more than that every 4th year.
It should be every 28 days some are irregular so you can go months without them but on average every 28days
Sub
28 days... every odd-numbered year has 28 days.
28days
24 hours 28days
Count the number of days from the beginning of one period to the beginning of the next. If you do that for a couple months you can find an average. It may be longer or shorter than 28 or 30 days.
curing time of concrete 14-28 days
Gulzari Lal Nanda (28days, in two terms ,acting P.M)
Depends on what company you work for, normally aroun 28days per year