"Sat, 08 Jun 2024 18:23:19"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240608
Only TIME
18:23:19
General datetime
2024-06-08 18:23:19Z
For Database
2024-06-08 18:23:19
For HTTP1.1
Sat, 08 Jun 2024 18:23:19 GMT