"Fri, 14 Jun 2024 13:06:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240614
Only TIME
13:06:15
General datetime
2024-06-14 13:06:15Z
For Database
2024-06-14 13:06:15
For HTTP1.1
Fri, 14 Jun 2024 13:06:15 GMT