25 times
April, July, September and December have five Sundays in 2018.
In 2001 there were five Sundays in April, July, September and December.
January, April, July, October and December in 2028 will have five Sundays.
January, April, July, October and December of 2017 have five Sundays each.
They are April, July, September, December.
In 2017, the months that had five Sundays were April, July, and September. Each of these months had exactly 30 or 31 days, allowing for the occurrence of five Sundays. Specifically, April 2017 had Sundays on the 2nd, 9th, 16th, 23rd, and 30th; July had Sundays on the 2nd, 9th, 16th, 23rd, and 30th; and September had Sundays on the 3rd, 10th, 17th, 24th, and the 30th.
Months containing five Sundays in the year 2012 are: January April July September December
Once every 28 years.
5 (Jan, April, July, Sept, Dec)
There were 4 Sundays in April 1994.3rd10th17th24th
Exactly 14% of all Decembers have five of each of Fridays, Saturdays and Sundays.
About twice each year