"Sat, 10 Aug 2024 14:23:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240810
Only TIME
14:23:21
General datetime
2024-08-10 14:23:21Z
For Database
2024-08-10 14:23:21
For HTTP1.1
Sat, 10 Aug 2024 14:23:21 GMT