Why there's only 1st, 2nd,3rd,4th and 5th as an options in the Day field in section "Revert to normal Time on" in the TimeZone object ?
Release : 21.0.4
The first Sunday of November , which is November 6th and the day the time change occurs. The "Day" parameter is not the date but it is the Nth Sunday of the month.
Please note that the Nth day also applies to "Change Dayligh Saving Time on".