"Tue, 21 Jan 2025 12:15:35"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250121
Only TIME
12:15:35
General datetime
2025-01-21 12:15:35Z
For Database
2025-01-21 12:15:35
For HTTP1.1
Tue, 21 Jan 2025 12:15:35 GMT