"Sat, 29 Jun 2024 19:47:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240629
Only TIME
19:47:48
General datetime
2024-06-29 19:47:48Z
For Database
2024-06-29 19:47:48
For HTTP1.1
Sat, 29 Jun 2024 19:47:48 GMT