"Sun, 21 Jul 2024 14:38:28"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240721
Only TIME
14:38:28
General datetime
2024-07-21 14:38:28Z
For Database
2024-07-21 14:38:28
For HTTP1.1
Sun, 21 Jul 2024 14:38:28 GMT