"Fri, 16 Aug 2024 20:12:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240816
Only TIME
20:12:21
General datetime
2024-08-16 20:12:21Z
For Database
2024-08-16 20:12:21
For HTTP1.1
Fri, 16 Aug 2024 20:12:21 GMT