"Tue, 18 Jun 2024 17:54:52"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240618
Only TIME
17:54:52
General datetime
2024-06-18 17:54:52Z
For Database
2024-06-18 17:54:52
For HTTP1.1
Tue, 18 Jun 2024 17:54:52 GMT