"Fri, 27 Sep 2024 18:26:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240927
Only TIME
18:26:21
General datetime
2024-09-27 18:26:21Z
For Database
2024-09-27 18:26:21
For HTTP1.1
Fri, 27 Sep 2024 18:26:21 GMT