"Sat, 08 Jun 2024 16:17:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240608
Only TIME
16:17:15
General datetime
2024-06-08 16:17:15Z
For Database
2024-06-08 16:17:15
For HTTP1.1
Sat, 08 Jun 2024 16:17:15 GMT