"Sat, 06 Apr 2024 18:06:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240406
Only TIME
18:06:03
General datetime
2024-04-06 18:06:03Z
For Database
2024-04-06 18:06:03
For HTTP1.1
Sat, 06 Apr 2024 18:06:03 GMT