The months of the Gregorian calendar are January, February, March, April, May, June, July, August, September, October, November, and December. Each month has a specific number of days, ranging from 28 to 31 days. February has 28 days, except in leap years when it has 29 days.
The days of the week in the Gregorian calendar are Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, and Saturday. Each day of the week corresponds to a number from 0 to 6, where 0 represents Sunday and 6 represents Saturday.