First working rescheduling

src/util.rs

@@ -0,0 +1,10 @@
+pub fn time_to_jiff(t: time::OffsetDateTime) -> jiff::Zoned {
+    let tz = jiff::tz::TimeZone::fixed(jiff::tz::offset(t.offset().whole_hours()));
+
+    jiff::Timestamp::new(t.unix_timestamp(), 0).unwrap()
+        .to_zoned(tz)
+}
+
+pub fn jiff_to_time(t: &jiff::Zoned) -> time::OffsetDateTime {
+    time::OffsetDateTime::from_unix_timestamp(t.timestamp().as_second()).unwrap()
+}