"Fri, 14 Jun 2024 20:20:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240614
Only TIME
20:20:40
General datetime
2024-06-14 20:20:40Z
For Database
2024-06-14 20:20:40
For HTTP1.1
Fri, 14 Jun 2024 20:20:40 GMT