"Sat, 29 Jun 2024 17:38:01"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240629
Only TIME
17:38:01
General datetime
2024-06-29 17:38:01Z
For Database
2024-06-29 17:38:01
For HTTP1.1
Sat, 29 Jun 2024 17:38:01 GMT