"Tue, 18 Jun 2024 18:36:41"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240618
Only TIME
18:36:41
General datetime
2024-06-18 18:36:41Z
For Database
2024-06-18 18:36:41
For HTTP1.1
Tue, 18 Jun 2024 18:36:41 GMT