"Sat, 13 Jul 2024 15:55:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240713
Only TIME
15:55:40
General datetime
2024-07-13 15:55:40Z
For Database
2024-07-13 15:55:40
For HTTP1.1
Sat, 13 Jul 2024 15:55:40 GMT