"Thu, 18 Jul 2024 14:40:19"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240718
Only TIME
14:40:19
General datetime
2024-07-18 14:40:19Z
For Database
2024-07-18 14:40:19
For HTTP1.1
Thu, 18 Jul 2024 14:40:19 GMT