"Tue, 18 Jun 2024 18:24:16"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240618
Only TIME
18:24:16
General datetime
2024-06-18 18:24:16Z
For Database
2024-06-18 18:24:16
For HTTP1.1
Tue, 18 Jun 2024 18:24:16 GMT