"Sun, 29 Dec 2024 16:25:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241229
Only TIME
16:25:55
General datetime
2024-12-29 16:25:55Z
For Database
2024-12-29 16:25:55
For HTTP1.1
Sun, 29 Dec 2024 16:25:55 GMT