They all have 4 weeks, but February is the only one to have exactly 4 weeks (except in Leap years when it has 4 weeks and 1 day). April, June September and November each have 30 days = 4 weeks and 2 days. The rest of the months each have 31 days = 4 weeks and 3 days.
Prospect Heights, IL Other Information. 1  Located in COOK County, Illinois. 2  Prospect Heights, IL is also known as: 3  PROSPECT HTS, IL.
Prospect Hts (IL) is 971 miles west. Prospect Heights (IL) is 971 miles west. Prospect (IN) is 1003 miles west-southwest. Prospect (KY) is 965 miles west-southwest. Prospect (LA) is 1562 miles west-southwest. Prospect Harbor (ME) is 41 miles east. Prospect Hbr (ME) is 41 miles east. Prospect Pk (NJ) is 366 miles southwest. Prospect Park (NJ) is 366 miles southwest. Prospect (NY) is 324 miles west-southwest. Prospect Hill (NC) is 786 miles southwest.