"Sat, 08 Jun 2024 23:18:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240608
Only TIME
23:18:40
General datetime
2024-06-08 23:18:40Z
For Database
2024-06-08 23:18:40
For HTTP1.1
Sat, 08 Jun 2024 23:18:40 GMT