"Sat, 13 Jul 2024 15:37:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240713
Only TIME
15:37:40
General datetime
2024-07-13 15:37:40Z
For Database
2024-07-13 15:37:40
For HTTP1.1
Sat, 13 Jul 2024 15:37:40 GMT