"Sun, 16 Feb 2025 04:28:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250216
Only TIME
04:28:39
General datetime
2025-02-16 04:28:39Z
For Database
2025-02-16 04:28:39
For HTTP1.1
Sun, 16 Feb 2025 04:28:39 GMT