"Sun, 14 Apr 2024 16:08:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240414
Only TIME
16:08:03
General datetime
2024-04-14 16:08:03Z
For Database
2024-04-14 16:08:03
For HTTP1.1
Sun, 14 Apr 2024 16:08:03 GMT