"Sun, 14 Apr 2024 16:08:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240414
Only TIME
16:08:56
General datetime
2024-04-14 16:08:56Z
For Database
2024-04-14 16:08:56
For HTTP1.1
Sun, 14 Apr 2024 16:08:56 GMT