"Sun, 19 May 2024 01:09:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240519
Only TIME
01:09:18
General datetime
2024-05-19 01:09:18Z
For Database
2024-05-19 01:09:18
For HTTP1.1
Sun, 19 May 2024 01:09:18 GMT