"Sat, 29 Jun 2024 16:17:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240629
Only TIME
16:17:18
General datetime
2024-06-29 16:17:18Z
For Database
2024-06-29 16:17:18
For HTTP1.1
Sat, 29 Jun 2024 16:17:18 GMT