"Sat, 08 Jun 2024 15:54:29"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240608
Only TIME
15:54:29
General datetime
2024-06-08 15:54:29Z
For Database
2024-06-08 15:54:29
For HTTP1.1
Sat, 08 Jun 2024 15:54:29 GMT