"Sun, 26 Jan 2025 18:43:59"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250126
Only TIME
18:43:59
General datetime
2025-01-26 18:43:59Z
For Database
2025-01-26 18:43:59
For HTTP1.1
Sun, 26 Jan 2025 18:43:59 GMT