"Sat, 08 Jun 2024 12:35:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240608
Only TIME
12:35:20
General datetime
2024-06-08 12:35:20Z
For Database
2024-06-08 12:35:20
For HTTP1.1
Sat, 08 Jun 2024 12:35:20 GMT