"Tue, 18 Jun 2024 13:36:51"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240618
Only TIME
13:36:51
General datetime
2024-06-18 13:36:51Z
For Database
2024-06-18 13:36:51
For HTTP1.1
Tue, 18 Jun 2024 13:36:51 GMT