maximum of 54 fridays can occur in an yer
there are 53 or 54 thursdays in an year depending on the day which year starts
It seems reasonable to assume that the calendar mentioned is for exactly twelve months. Such a calendar will usually have 52 Thursdays, but will have 53 when a) the first day of the calendar is a Thursday, and b) the second day of the calendar is a Thursday and the calendar includes 29 February (which of course occurs only in a leap year). In both these cases the last day of the calendar is a Thursday, except when (a) is true and the calendar contains 29 February; then the last day will be a Friday Every day of the week could be subject to precisely the same analysis.
Get a calendar. Start on a Monday and mark off 45 days. Count the number of Mondays you have crossed off. The answer will be 7.
Today is Friday the 13th, February 13th, 2009, that is!
True.
53 in the maximum.
53 Thursday can occur
there are 53 or 54 thursdays in an year depending on the day which year starts
It seems reasonable to assume that the calendar mentioned is for exactly twelve months. Such a calendar will usually have 52 Thursdays, but will have 53 when a) the first day of the calendar is a Thursday, and b) the second day of the calendar is a Thursday and the calendar includes 29 February (which of course occurs only in a leap year). In both these cases the last day of the calendar is a Thursday, except when (a) is true and the calendar contains 29 February; then the last day will be a Friday Every day of the week could be subject to precisely the same analysis.
There is no such thing as an eclipse 'season'.
On average, one seventh of the full moons occur on a Friday.
The year 7000 on the Hebrew calendar will occur in September of the year 3240.
Actually - the NEXT occurrence will be in 2021 - which is only eleven years away, and 2032 ! The days & dates in the calendar repeat every 11 years. Have a look in your Windows calendar !
53
Sunspots - and the Gregorian calendar.
The amplitude is the maximum displacement. The frequency is the number of peaks (or troughs) that occur in unit time (usually a second).
Sunspots - and the Gregorian calendar.