diff --git a/date/util.go b/date/util.go
index f1a524c..48fb5a4 100644
--- a/date/util.go
+++ b/date/util.go
@@ -306,14 +306,16 @@ func CalculateMarketSecondsBetween(start, end, marketOpen, marketClose time.Time
 	startEastern := start.In(Eastern())
 	endEastern := end.In(Eastern())
 
-	startMarketOpen := NextMarketOpen(startEastern, marketOpen, isHoliday)
-	startMarketClose := NextMarketClose(startEastern, marketClose, isHoliday)
+	startMarketOpen := On(marketOpen, startEastern)
+	startMarketClose := On(marketClose, startEastern)
 
-	if (startEastern.Equal(startMarketOpen) || startEastern.After(startMarketOpen)) && startEastern.Before(startMarketClose) {
-		if endEastern.Before(startMarketClose) {
-			seconds += int64(endEastern.Sub(startEastern) / time.Second)
-		} else {
-			seconds += int64(startMarketClose.Sub(startEastern) / time.Second)
+	if !IsWeekendDay(startMarketOpen.Weekday()) && !isHoliday(startMarketOpen) {
+		if (startEastern.Equal(startMarketOpen) || startEastern.After(startMarketOpen)) && startEastern.Before(startMarketClose) {
+			if endEastern.Before(startMarketClose) {
+				seconds += int64(endEastern.Sub(startEastern) / time.Second)
+			} else {
+				seconds += int64(startMarketClose.Sub(startEastern) / time.Second)
+			}
 		}
 	}
 
diff --git a/date/util_test.go b/date/util_test.go
index 7310cec..8538053 100644
--- a/date/util_test.go
+++ b/date/util_test.go
@@ -76,6 +76,17 @@ func TestCalculateMarketSecondsBetween(t *testing.T) {
 	assert.Equal(shouldbe, CalculateMarketSecondsBetween(start, end, NYSEOpen, NYSEClose, IsNYSEHoliday))
 }
 
+func TestCalculateMarketSecondsBetween1D(t *testing.T) {
+	assert := assert.New(t)
+
+	start := time.Date(2016, 07, 22, 9, 45, 0, 0, Eastern())
+	end := time.Date(2016, 07, 22, 15, 45, 0, 0, Eastern())
+
+	shouldbe := 6 * 60 * 60
+
+	assert.Equal(shouldbe, CalculateMarketSecondsBetween(start, end, NYSEOpen, NYSEClose, IsNYSEHoliday))
+}
+
 func TestCalculateMarketSecondsBetweenLTM(t *testing.T) {
 	assert := assert.New(t)
 
diff --git a/defaults.go b/defaults.go
index fc69d0e..88dbd03 100644
--- a/defaults.go
+++ b/defaults.go
@@ -2,7 +2,6 @@ package chart
 
 import (
 	"sync"
-	"time"
 
 	"github.com/golang/freetype/truetype"
 	"github.com/wcharczuk/go-chart/drawing"
@@ -59,7 +58,7 @@ const (
 	// DefaultDateHourFormat is the date format for hour timestamp formats.
 	DefaultDateHourFormat = "01-02 3PM"
 	// DefaultDateMinuteFormat is the date format for minute range timestamp formats.
-	DefaultDateMinuteFormat = time.Kitchen
+	DefaultDateMinuteFormat = "01-02 3:04PM"
 	// DefaultFloatFormat is the default float format.
 	DefaultFloatFormat = "%.2f"
 	// DefaultPercentValueFormat is the default percent format.
diff --git a/grid_line_test.go b/grid_line_test.go
index d6e1fe6..d9b464e 100644
--- a/grid_line_test.go
+++ b/grid_line_test.go
@@ -16,12 +16,11 @@ func TestGenerateGridLines(t *testing.T) {
 		{Value: 4.0, Label: "4.0"},
 	}
 
-	gl := GenerateGridLines(ticks, true)
-	assert.Len(gl, 4)
-	assert.Equal(1.0, gl[0].Value)
-	assert.Equal(2.0, gl[1].Value)
-	assert.Equal(3.0, gl[2].Value)
-	assert.Equal(4.0, gl[3].Value)
+	gl := GenerateGridLines(ticks, Style{}, Style{}, true)
+	assert.Len(gl, 2)
+
+	assert.Equal(2.0, gl[0].Value)
+	assert.Equal(3.0, gl[1].Value)
 
 	assert.True(gl[0].IsVertical)
 }
diff --git a/market_hours_range.go b/market_hours_range.go
index e05fed7..ee24c72 100644
--- a/market_hours_range.go
+++ b/market_hours_range.go
@@ -18,6 +18,8 @@ type MarketHoursRange struct {
 
 	HolidayProvider date.HolidayProvider
 
+	ValueFormatter ValueFormatter
+
 	Domain int
 }
 
@@ -83,12 +85,18 @@ func (mhr MarketHoursRange) GetHolidayProvider() date.HolidayProvider {
 // GetTicks returns the ticks for the range.
 // This is to override the default continous ticks that would be generated for the range.
 func (mhr *MarketHoursRange) GetTicks(vf ValueFormatter) []Tick {
-	// return one tick per day
-	// figure out how to advance one ticke per market day.
 	var ticks []Tick
 
 	cursor := date.On(mhr.MarketClose, mhr.Min)
 	maxClose := date.On(mhr.MarketClose, mhr.Max)
+
+	if mhr.Min.Before(cursor) {
+		ticks = append(ticks, Tick{
+			Value: TimeToFloat64(cursor),
+			Label: vf(cursor),
+		})
+	}
+
 	for date.BeforeDate(cursor, maxClose) {
 		if date.IsWeekDay(cursor.Weekday()) && !mhr.GetHolidayProvider()(cursor) {
 			ticks = append(ticks, Tick{
@@ -111,15 +119,15 @@ func (mhr *MarketHoursRange) GetTicks(vf ValueFormatter) []Tick {
 }
 
 func (mhr MarketHoursRange) String() string {
-	return fmt.Sprintf("MarketHoursRange [%s, %s] => %d", mhr.Min.Format(DefaultDateFormat), mhr.Max.Format(DefaultDateFormat), mhr.Domain)
+	return fmt.Sprintf("MarketHoursRange [%s, %s] => %d", mhr.Min.Format(DefaultDateMinuteFormat), mhr.Max.Format(DefaultDateMinuteFormat), mhr.Domain)
 }
 
 // Translate maps a given value into the ContinuousRange space.
 func (mhr MarketHoursRange) Translate(value float64) int {
 	valueTime := Float64ToTime(value)
 	valueTimeEastern := valueTime.In(date.Eastern())
-	deltaSeconds := date.CalculateMarketSecondsBetween(mhr.Min, mhr.GetEffectiveMax(), mhr.MarketOpen, mhr.MarketClose, mhr.HolidayProvider)
+	totalSeconds := date.CalculateMarketSecondsBetween(mhr.Min, mhr.GetEffectiveMax(), mhr.MarketOpen, mhr.MarketClose, mhr.HolidayProvider)
 	valueDelta := date.CalculateMarketSecondsBetween(mhr.Min, valueTimeEastern, mhr.MarketOpen, mhr.MarketClose, mhr.HolidayProvider)
-	translated := int((float64(valueDelta) / float64(deltaSeconds)) * float64(mhr.Domain))
+	translated := int((float64(valueDelta) / float64(totalSeconds)) * float64(mhr.Domain))
 	return translated
 }