When Is April 21st 2025. On the 17th week of 2025 (using us standard week number. It is on a monday and is in week 17 of 2025.
An overview of what holidays are observed around the world on monday april 21st 2025. The months of april, june, september, and november have 30 days, while the rest have 31 days except for february, which has 28 days in a standard year, and 29.