diff --git a/CHANGELOG.md b/CHANGELOG.md
index 51e4549..013d630 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## [Unreleased]
 
+## [0.7.0] - 2024-05-05
+### Added
+- Fetch national holidays from [date.nager.at](https://date.nager.at) if LC_TIME is present in environment. Holidays will be marked on calendar and excluded from month summary.
+
 ## [0.6.0] - 2024-03-30
 ### Changed
 - Replace [manifoldco/promptui](https://github.com/charmbracelet/huh) with [charmbracelet/huh](https://github.com/charmbracelet/huh) due to lack of maintainer
@@ -96,7 +100,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 ### Added
 - Initial release of gojira
 
-[Unreleased]: https://github.com/jzyinq/gojira/compare/0.6.0...master
+[Unreleased]: https://github.com/jzyinq/gojira/compare/0.7.0...master
+[0.7.0]: https://github.com/jzyinq/gojira/compare/0.6.0...0.7.0
 [0.6.0]: https://github.com/jzyinq/gojira/compare/0.5.4...0.6.0
 [0.5.4]: https://github.com/jzyinq/gojira/compare/0.5.3...0.5.4
 [0.5.3]: https://github.com/jzyinq/gojira/compare/0.5.2...0.5.3
@@ -109,4 +114,4 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 [0.2.2]: https://github.com/jzyinq/gojira/compare/0.2.1...0.2.2
 [0.2.1]: https://github.com/jzyinq/gojira/compare/0.2.0...0.2.1
 [0.2.0]: https://github.com/jzyinq/gojira/compare/0.1.0...0.2.0
-[0.1.0]: https://github.com/jzyinq/gojira/tree/0.1.0
\ No newline at end of file
+[0.1.0]: https://github.com/jzyinq/gojira/tree/0.1.0
diff --git a/gojira/calendar.go b/gojira/calendar.go
index 00c791b..3d2172f 100644
--- a/gojira/calendar.go
+++ b/gojira/calendar.go
@@ -35,21 +35,29 @@ func NewCalendar() *Calendar {
 }
 
 func (c *Calendar) update() {
+	c.setDate()
+	c.setWeekdays()
+	c.setDays()
+}
+
+func (c *Calendar) setDate() {
 	c.day = app.time.Day()
 	c.month = app.time.Month()
 	c.year = app.time.Year()
-	c.Clear()
-
-	t := time.Date(c.year, c.month, 1, 0, 0, 0, 0, time.Local)
-	daysInMonth := time.Date(c.year, c.month+1, 0, 0, 0, 0, 0, time.Local).Day()
+}
 
-	// Weekdays
+func (c *Calendar) setWeekdays() {
 	weekdays := []string{"Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"}
 	for i, day := range weekdays {
 		c.SetCell(0, i, tview.NewTableCell(day))
 	}
+}
+
+func (c *Calendar) setDays() {
+	c.Clear()
+	t := time.Date(c.year, c.month, 1, 0, 0, 0, 0, time.Local)
+	daysInMonth := time.Date(c.year, c.month+1, 0, 0, 0, 0, 0, time.Local).Day()
 
-	// Days
 	week := 1
 	for i := 1; i <= daysInMonth; i++ {
 		dayOfWeek := int(t.Weekday()) - 1 // Weekday() returns 1 (Monday) to 7 (Sunday)
@@ -63,6 +71,7 @@ func (c *Calendar) update() {
 		if calendarDay.Before(time.Now().Local()) {
 			cell.SetBackgroundColor(tcell.ColorGray)
 		}
+
 		if len(app.workLogs.logs) > 0 {
 			worklogs, err := app.workLogs.LogsOnDate(&calendarDay)
 			if err != nil {
@@ -78,6 +87,9 @@ func (c *Calendar) update() {
 				}
 			}
 		}
+		if app.holidays.IsHoliday(&calendarDay) {
+			cell.SetTextColor(tcell.ColorRed)
+		}
 		if i == c.day {
 			cell.SetTextColor(tcell.ColorWhite)
 			cell.SetBackgroundColor(tcell.ColorDimGray)
diff --git a/gojira/cli.go b/gojira/cli.go
index 6f7f633..2b06a3d 100644
--- a/gojira/cli.go
+++ b/gojira/cli.go
@@ -26,7 +26,25 @@ var WorklogsCommand = &cli.Command{
 	Usage: "Edit your today's work log",
 	Action: func(c *cli.Context) error {
 		newUi()
-		loadWorklogs()
+		var wg sync.WaitGroup
+		wg.Add(1)
+		go func() {
+			defer wg.Done()
+			loadWorklogs()
+		}()
+		wg.Add(1)
+		go func() {
+			defer wg.Done()
+			countryCode, err := GetCountryFromLCTime(os.Getenv("LC_TIME"))
+			if err != nil {
+				logrus.Error("getting country code from LC_TIME failed:" + err.Error())
+			}
+			app.holidays, err = NewHolidays(countryCode)
+			if err != nil {
+				logrus.Error("fetching national holidays failed:" + err.Error())
+			}
+		}()
+		wg.Wait()
 		err := app.ui.app.Run()
 		if err != nil {
 			return err
diff --git a/gojira/gojira.go b/gojira/gojira.go
index 5d23d6a..a7bbbdd 100644
--- a/gojira/gojira.go
+++ b/gojira/gojira.go
@@ -12,6 +12,7 @@ type gojira struct {
 	cli            *cli.App
 	ui             *UserInteface
 	time           *time.Time
+	holidays       *Holidays
 	workLogs       Worklogs
 	workLogsIssues WorklogsIssues
 }
@@ -31,6 +32,7 @@ func Run() {
 	logrus.Infof("current time %s", appTimer)
 	app.ui = &UserInteface{}
 	app.time = &appTimer
+	app.holidays = &Holidays{}
 	app.cli = &cli.App{
 		Name: "gojira",
 		Usage: `quickly log time to jira/tempo through cli.
diff --git a/gojira/hoilidays.go b/gojira/hoilidays.go
new file mode 100644
index 0000000..dc1694d
--- /dev/null
+++ b/gojira/hoilidays.go
@@ -0,0 +1,92 @@
+package gojira
+
+import (
+	"encoding/json"
+	"fmt"
+	"github.com/sirupsen/logrus"
+	"net/http"
+	"regexp"
+	"time"
+)
+
+type Holiday struct {
+	Date        string `json:"date"`
+	LocalName   string `json:"localName"`
+	Name        string `json:"name"`
+	CountryCode string `json:"countryCode"`
+}
+
+type Holidays []Holiday
+
+func (h *Holidays) GetHolidaysForMonth(month time.Month) Holidays {
+	var holidaysForMonth Holidays
+	for _, holiday := range *h {
+		t, err := time.Parse("2006-01-02", holiday.Date)
+		if err != nil {
+			fmt.Println(err)
+			continue
+		}
+		if t.Month() == month {
+			holidaysForMonth = append(holidaysForMonth, holiday)
+		}
+	}
+	return holidaysForMonth
+}
+
+func (h *Holidays) IsHoliday(t *time.Time) bool {
+	for _, holiday := range *h {
+		t2, err := time.Parse("2006-01-02", holiday.Date)
+		if err != nil {
+			fmt.Println(err)
+			continue
+		}
+		if t2.Equal(*t) {
+			return true
+		}
+	}
+	return false
+}
+
+func (h *Holiday) GetTime() (*time.Time, error) {
+	t, err := time.Parse("2006-01-02", h.Date)
+	if err != nil {
+		return nil, err
+	}
+	return &t, nil
+}
+
+func getHolidaysForCountry(countryCode string) (*Holidays, error) {
+	url := fmt.Sprintf("https://date.nager.at/api/v3/PublicHolidays/2024/%s", countryCode)
+	logrus.Infof("fetching holidays from url: %s", url)
+	resp, err := http.Get(url) //nolint:gosec
+	if err != nil {
+		logrus.Error("could not fetch holidays from url: ", url)
+		return nil, err
+	}
+	defer resp.Body.Close()
+	var holidays Holidays
+	err = json.NewDecoder(resp.Body).Decode(&holidays)
+	if err != nil {
+		return nil, err
+	}
+	return &holidays, nil
+}
+
+func NewHolidays(countryCode string) (*Holidays, error) {
+	holidays, err := getHolidaysForCountry(countryCode)
+	if err != nil {
+		logrus.Error(err)
+		return &Holidays{}, err
+	}
+
+	return holidays, nil
+}
+
+func GetCountryFromLCTime(timeString string) (string, error) {
+	r, _ := regexp.Compile("([A-Z]{2})")
+	match := r.FindString(timeString)
+	if match == "" {
+		return "", fmt.Errorf("could not parse country from LC_TIME")
+	}
+	return match, nil
+}
diff --git a/gojira/summary.go b/gojira/summary.go
index 14cf41b..1519077 100644
--- a/gojira/summary.go
+++ b/gojira/summary.go
@@ -41,7 +41,7 @@ func workingHoursInMonthToPresentDay(year int, month time.Month) int {
 	totalWorkHours := 0
 
 	for t.Month() == month && t.Before(time.Now().Local()) {
-		if t.Weekday() != time.Saturday && t.Weekday() != time.Sunday {
+		if t.Weekday() != time.Saturday && t.Weekday() != time.Sunday && !app.holidays.IsHoliday(&t) {
 			totalWorkHours += 8
 		}
 		t = t.AddDate(0, 0, 1)