"Sat, 29 Jun 2024 23:58:57"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240629
Only TIME
23:58:57
General datetime
2024-06-29 23:58:57Z
For Database
2024-06-29 23:58:57
For HTTP1.1
Sat, 29 Jun 2024 23:58:57 GMT