"Sat, 06 Apr 2024 18:42:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240406
Only TIME
18:42:00
General datetime
2024-04-06 18:42:00Z
For Database
2024-04-06 18:42:00
For HTTP1.1
Sat, 06 Apr 2024 18:42:00 GMT