diff --git a/src/main/java/com/kosherjava/zmanim/AstronomicalCalendar.java b/src/main/java/com/kosherjava/zmanim/AstronomicalCalendar.java
index 538e0eb2..c2bbf5f1 100644
--- a/src/main/java/com/kosherjava/zmanim/AstronomicalCalendar.java
+++ b/src/main/java/com/kosherjava/zmanim/AstronomicalCalendar.java
@@ -721,8 +721,9 @@ public double getSunsetSolarDipFromOffset(double minutes) {
 	 * @see GeoLocation#getLocalMeanTimeOffset(Instant)
 	 */
 	public Instant getLocalMeanTime(LocalTime localTime) {
-	    Instant civilTime = ZonedDateTime.of(getAdjustedLocalDate(), localTime, getGeoLocation().getZoneId()).toInstant();
-	    return getTimeOffset(civilTime, -getGeoLocation().getLocalMeanTimeOffset(civilTime));
+	    Instant localMeanTime = LocalDateTime.of(getAdjustedLocalDate(), localTime).toInstant(ZoneOffset.UTC);
+	    long longitudeOffsetMillis = (long) (getGeoLocation().getLongitude() * 4 * MINUTE_MILLIS);
+	    return getTimeOffset(localMeanTime, -longitudeOffsetMillis);
 	}
 
 	/**
diff --git a/src/main/java/com/kosherjava/zmanim/hebrewcalendar/JewishDate.java b/src/main/java/com/kosherjava/zmanim/hebrewcalendar/JewishDate.java
index 577c9d5d..0e8a55dd 100644
--- a/src/main/java/com/kosherjava/zmanim/hebrewcalendar/JewishDate.java
+++ b/src/main/java/com/kosherjava/zmanim/hebrewcalendar/JewishDate.java
@@ -1093,8 +1093,9 @@ public void minusMonths(int months){
             if (month == TISHREI) {
                 month = ELUL;
                 year--;
-            } else if ((! isJewishLeapYear(year) && month == ADAR)
-                    || (isJewishLeapYear(year) && month == ADAR_II)){
+            } else if (month == NISSAN) {
+                month = getLastMonthOfJewishYear(year);
+            } else if (!isJewishLeapYear(year) && month == ADAR){
                 month = SHEVAT;
             } else {
                 month--;
diff --git a/src/main/java/com/kosherjava/zmanim/util/NOAACalculator.java b/src/main/java/com/kosherjava/zmanim/util/NOAACalculator.java
index dfd41802..880b42f4 100644
--- a/src/main/java/com/kosherjava/zmanim/util/NOAACalculator.java
+++ b/src/main/java/com/kosherjava/zmanim/util/NOAACalculator.java
@@ -478,11 +478,15 @@ private static double getSolarNoonMidnightUTC(double julianDay, double longitude
 		double tnoon = getJulianCenturiesFromJulianDay(julianDay + longitude / 360.0);
 		double equationOfTime = getEquationOfTime(tnoon);
 		double solNoonUTC = (longitude * 4) - equationOfTime; // minutes
-		
-		// second pass
-		double newt = getJulianCenturiesFromJulianDay(julianDay + solNoonUTC / 1440.0);
-		equationOfTime = getEquationOfTime(newt);
-		return (solarEvent == SolarEvent.NOON ? 720 : 1440) + (longitude * 4) - equationOfTime;
+
+		// Refine the equation of time at the calculated transit time.
+		double newt;
+		for (int i = 0; i < 2; i++) {
+			newt = getJulianCenturiesFromJulianDay(julianDay + solNoonUTC / 1440.0);
+			equationOfTime = getEquationOfTime(newt);
+			solNoonUTC = (solarEvent == SolarEvent.NOON ? 720 : 1440) + (longitude * 4) - equationOfTime;
+		}
+		return (solarEvent == SolarEvent.NOON ? 720 : 1440) + (longitude * 4 ) - equationOfTime;
 	}
 	
 	/**