No, it is not. February 17, 2017 is a FRIDAY! Since February 2017 has 28 days, then it follows that 2 weeks later or 2 x 7 = 14 days from Friday Feb. 17, 2017 will be Friday March 3, 2017. 4 weeks later, or 4 x 7 =28 days will be Friday March 31, 2017. Since March is 31 days, then 1 more day will be Saturday April 1, 2017.