"Tue, 18 Jun 2024 06:21:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240618
Only TIME
06:21:12
General datetime
2024-06-18 06:21:12Z
For Database
2024-06-18 06:21:12
For HTTP1.1
Tue, 18 Jun 2024 06:21:12 GMT