"Sat, 24 Aug 2024 21:17:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240824
Only TIME
21:17:21
General datetime
2024-08-24 21:17:21Z
For Database
2024-08-24 21:17:21
For HTTP1.1
Sat, 24 Aug 2024 21:17:21 GMT