"Fri, 14 Jun 2024 18:38:10"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240614
Only TIME
18:38:10
General datetime
2024-06-14 18:38:10Z
For Database
2024-06-14 18:38:10
For HTTP1.1
Fri, 14 Jun 2024 18:38:10 GMT