"Sun, 13 Oct 2024 15:38:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241013
Only TIME
15:38:00
General datetime
2024-10-13 15:38:00Z
For Database
2024-10-13 15:38:00
For HTTP1.1
Sun, 13 Oct 2024 15:38:00 GMT