"Sat, 01 Jun 2024 13:31:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240601
Only TIME
13:31:39
General datetime
2024-06-01 13:31:39Z
For Database
2024-06-01 13:31:39
For HTTP1.1
Sat, 01 Jun 2024 13:31:39 GMT