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+
+## Remark
+## https://stackoverflow.com/questions/42950/how-to-get-the-last-day-of-the-month
+
+import calendar
+
+
+nGivenYear = 2022
+nSunWeekNum = 6
+nWeekNumDay = 7
+
+
+for nMonthLoop in range(1, 13):
+    [nFirstDayWeekNum, nLastDay] = calendar.monthrange(nGivenYear, nMonthLoop)
+
+    nSunDay = 1 + nSunWeekNum - nFirstDayWeekNum + nWeekNumDay * 4
+
+    if nSunDay > nLastDay:
+        nSunDay = nSunDay - nWeekNumDay
+
+    print (str(nGivenYear) + "-" + ("0" + str(nMonthLoop) if nMonthLoop < 10 else str(nMonthLoop)) + "-" + str(nSunDay))