"Sat, 22 Feb 2025 04:51:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250222
Only TIME
04:51:03
General datetime
2025-02-22 04:51:03Z
For Database
2025-02-22 04:51:03
For HTTP1.1
Sat, 22 Feb 2025 04:51:03 GMT