diff --git a/appPublic/timeUtils.py b/appPublic/timeUtils.py
index 8995e8a..0fe6c70 100755
--- a/appPublic/timeUtils.py
+++ b/appPublic/timeUtils.py
@@ -1,12 +1,12 @@
 import os,sys
 import time
-import datetime
+from datetime import date, timedelta, datetime
 
 leapMonthDays = [0,31,29,31,30,31,30,31,31,30,31,30,31]
 unleapMonthDays = [0,31,28,31,30,31,30,31,31,30,31,30,31]
 
 def curDatetime():
-	return datetime.datetime.now()
+	return datetime.now()
 
 def curDateString():
 	d = curDatetime()
@@ -27,7 +27,7 @@ def timestampstr():
 			d.microsecond/1000)
 	
 def isMonthLastDay(d):
-	dd = datetime.timedelta(1)
+	dd = timedelta(1)
 	d1 = d + dd
 	if d1.month != d.month:
 		return True
@@ -45,7 +45,7 @@ def timeStampSecond(dt):
 	return int(time.mktime((dt.year,dt.month,dt.day,dt.hour,dt.minute,dt.second,0,0,0)))
 
 def addSeconds(dt,s):
-	ndt = dt + datetime.timedelta(0,s)
+	ndt = dt + timedelta(0,s)
 	return ndt
 	
 def monthMaxDay(y,m):
@@ -74,7 +74,7 @@ def str2Date(dstr):
 		return None
 		
 def ymdDate(y,m,d,H=0,M=0,S=0):
-	return datetime.datetime(y,m,d,H,M,S)
+	return datetime(y,m,d,H,M,S)
 	
 def str2Datetime(dstr):
 	x = dstr.split(' ')
@@ -84,7 +84,7 @@ def str2Datetime(dstr):
 		t = x[1]
 	y,m,d = d.split('-')
 	H,M,S = t.split(':')
-	return datetime.datetime(int(y),int(m),int(d),int(H),int(M),int(S))
+	return datetime(int(y),int(m),int(d),int(H),int(M),int(S))
 	
 def strdate_add(date_str, days=0, months=0, years=0):
 	dt = str2Datetime(date_str)
@@ -116,7 +116,7 @@ def addYears(dt,years):
 
 def dateAdd(dt,days=0,months=0,years=0):
 	if days != 0:
-		dd = datetime.timedelta(days)
+		dd = timedelta(days)
 		dt = dt + dd	
 	if months != 0:
 		dt = addMonths(dt,months)
@@ -127,7 +127,7 @@ def dateAdd(dt,days=0,months=0,years=0):
 def firstSunday(dt):
 	f = dt.weekday()
 	if f<6:
-		return dt + datetime.timedelta(7 - f)
+		return dt + timedelta(7 - f)
 	return dt
 
 DTFORMAT = '%Y%m%d %H%M%S'
@@ -166,10 +166,10 @@ def timestampSub(ts1,ts2) :
 	return int(ret)
 
 def timestamp2dt(t):
-	return datetime.datetime.fromtimestamp(t)
+	return datetime.fromtimestamp(t)
 
 def date_weekinyear(date_str):
-	w = datetime.datetime.strptime(date_str, '%Y-%m-%d').strftime('%W')
+	w = datetime.strptime(date_str, '%Y-%m-%d').strftime('%W')
 	return date_str[:5] + w
 
 def date_season(date_str):
@@ -191,3 +191,55 @@ def date_season(date_str):
 	s = sl.get(m)
 	return date_str[:5] + s
 
+"""
+Patterns =
+	'D'
+	'W[0-6]'
+	'M[00-31]'
+	'S[0-2]-[00-31]'
+	'Y[01-12]-[00-31]'
+}
+"""
+
+def str2date(sd):
+	a = [ int(i) for i in sd.split('-') ]
+	return date(*a)
+
+def is_monthend(dt):
+	if isinstance(dt, str):
+		dt = str2date(dt)
+	nxt_day = dt + timedelta(days=1)
+	if dt.month != nxt_day.month:
+		return True
+	return False
+
+def is_match_pattern(pattern, strdate):
+	if pattern == 'D':
+		return True
+	dt = str2date(strdate)
+	if pattern.startswith('W'):
+		w = (int(pattern[1]) + 6) % 7
+		if dt.weekday() == w:
+			return True
+		return False
+	if pattern.startswith('M'):
+		day = int(pattern[1:])
+		if day == 0 and is_monthend(dt):
+			return True
+		if day == dt.day:
+			return True
+		return False
+	if pattern.startswith('S'):
+		m,d = [ int(i) for i in pattern[1:].split('-') ]
+		print(f'{m=}-{d=}, {dt.month=} {dt.day}')
+		m %= 4
+		if m == dt.month % 4 and d == dt.day:
+			return True
+		return False
+	if pattern.startswith('Y'):
+		m,d = [ int(i) for i in pattern[1:].split('-') ]
+		print(f'{m=}-{d=}, {dt.month=} {dt.day}')
+		if m == dt.month and d == dt.day:
+			return True
+		return False
+