"Fri, 14 Jun 2024 18:54:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240614
Only TIME
18:54:20
General datetime
2024-06-14 18:54:20Z
For Database
2024-06-14 18:54:20
For HTTP1.1
Fri, 14 Jun 2024 18:54:20 GMT