"Thu, 18 Apr 2024 18:06:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240418
Only TIME
18:06:18
General datetime
2024-04-18 18:06:18Z
For Database
2024-04-18 18:06:18
For HTTP1.1
Thu, 18 Apr 2024 18:06:18 GMT