"Fri, 16 Aug 2024 19:20:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240816
Only TIME
19:20:21
General datetime
2024-08-16 19:20:21Z
For Database
2024-08-16 19:20:21
For HTTP1.1
Fri, 16 Aug 2024 19:20:21 GMT