Below are holidays for the calendar year 2018. Popular holidays are in bold. You can get more detailed information on each holiday by clicking on them.
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| Date | Holiday | Details |
|---|---|---|
| - January 2018 - | ||
| Jan 1 - Monday | New Year's Day 2018 | National holiday |
| Jan 6 - Saturday | Epiphany 2018 | Christian |
| Jan 7 - Sunday | Orthodox Christmas Day 2018 | Orthodox Christian |
| Jan 14 - Sunday | Orthodox New Year 2018 | Orthodox Christian |
| Jan 14 - Sunday | Makar Sankranti 2018 | Hindu |
| Jan 15 - Monday | Martin Luther King Day 2018 | National holiday |
| Jan 31 - Wednesday | Tu B'Shevat 2018 | Jewish |
| - February 2018 - | ||
| Feb 1 - Thursday | National Freedom Day 2018 | Observance |
| Feb 2 - Friday | National Wear Red Day 2018 | Observance |
| Feb 2 - Friday | Groundhog Day 2018 | Observance |
| Feb 12 - Monday | Lincoln's Birthday 2018 | Observance |
| Feb 13 - Tuesday | Mardi Gras 2018 | Christian |
| Feb 14 - Wednesday | Ash Wednesday 2018 | Christian |
| Feb 14 - Wednesday | Maha Shivaratri 2018 | Hindu |
| Feb 14 - Wednesday | Lent 2018 | Christian |
| Feb 14 - Wednesday | Valentine's Day 2018 | Observance |
| Feb 16 - Friday | Chinese New Year 2018 | Observance |
| Feb 19 - Monday | Presidents' Day - Washington's Birthday 2018 | National holiday |
| - March 2018 - | ||
| Mar 1 - Thursday | Purim 2018 | Jewish |
| Mar 2 - Friday | Holi 2018 | Hindu |
| Mar 2 - Friday | Read Across America Day 2018 | Observance |
| Mar 2 - Friday | Employee Appreciation Day 2018 | Observance |
| Mar 11 - Sunday | Daylight Saving Time - begins 2018 | Daylight Saving |
| Mar 17 - Saturday | St. Patrick's Day 2018 | Observance |
| Mar 20 - Tuesday | Spring/Fall - March equinox 2018 | Season |
| Mar 25 - Sunday | Rama Navami 2018 | Hindu |
| Mar 25 - Sunday | Palm Sunday 2018 | Christian |
| Mar 29 - Thursday | Maundy Thursday 2018 | Christian |
| Mar 30 - Friday | Good Friday 2018 | Christian |
| Mar 31 - Saturday | Holy Saturday 2018 | Christian |
| Mar 31 - Saturday | Passover - Starts 2018 | Jewish |
| - April 2018 - | ||
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| Apr 1 - Sunday | April Fools' Day 2018 | Observance |
| Apr 1 - Sunday | Easter 2018 | Christian |
| Apr 2 - Monday | Easter Monday 2018 | Christian |
| Apr 6 - Friday | Orthodox Good Friday 2018 | Orthodox Christian |
| Apr 7 - Saturday | Passover - Final Day 2018 | Jewish |
| Apr 8 - Sunday | Orthodox Easter 2018 | Orthodox Christian |
| Apr 12 - Thursday | Yom Hashoah 2018 | Jewish |
| Apr 13 - Friday | Isra and Mi'raj 2018 | Muslim |
| Apr 13 - Friday | Thomas Jefferson Birthday 2018 | Observance |
| Apr 17 - Tuesday | Tax Day 2018 | Observance |
| Apr 17 - Tuesday | National Library Workers Day 2018 | Observance |
| Apr 22 - Sunday | Earth Day 2018 | Observance |
| Apr 25 - Wednesday | Administrative Professionals Day 2018 | Observance |
| Apr 26 - Thursday | Take our Daughters and Sons to Work Day 2018 | Observance |
| Apr 27 - Friday | Arbor Day 2018 | Observance |
| - May 2018 - | ||
| May 1 - Tuesday | May Day 2018 | Observance |
| May 1 - Tuesday | Laylat al Bara'at 2018 | Muslim |
| May 3 - Thursday | National Day of Prayer 2018 | Observance |
| May 3 - Thursday | Lag BaOmer 2018 | Jewish |
| May 5 - Saturday | Cinco de Mayo 2018 | Observance |
| May 6 - Sunday | National Nurses Day 2018 | Observance |
| May 10 - Thursday | Ascension Day 2018 | Christian |
| May 13 - Sunday | Mothers' Day 2018 | Observance |
| May 15 - Tuesday | Peace Officers Memorial Day 2018 | Observance |
| May 16 - Wednesday | Ramadan starts 2018 | Muslim |
| May 19 - Saturday | Armed Forces Day 2018 | Observance |
| May 20 - Sunday | Shavuot 2018 | Jewish |
| May 20 - Sunday | Pentecost 2018 | Christian |
| May 21 - Monday | Whit Monday 2018 | Christian |
| May 22 - Tuesday | National Maritime Day 2018 | Observance |
| May 28 - Monday | Memorial Day 2018 | National holiday |
| May 31 - Thursday | Corpus Christi 2018 | Christian |
| - June 2018 - | ||
| Jun 6 - Wednesday | D-Day 2018 | Observance |
| Jun 11 - Monday | Laylat al Qadr 2018 | Muslim |
| Jun 14 - Thursday | Flag Day 2018 | Observance |
| Jun 15 - Friday | Eid al-Fitr 2018 | Muslim |
| Jun 17 - Sunday | Fathers' Day 2018 | Observance |
| Jun 21 - Thursday | Summer/Winter Solstice 2018 | Season |
| - July 2018 - | ||
| Jul 4 - Wednesday | 4th of July - Independence Day 2018 | National holiday |
| Jul 14 - Thursday | Rath Yatra 2018 | Hindu |
| Jul 22 - Sunday | Parents Day 2018 | Observance |
| Jul 22 - Sunday | Tisha B'Av 2018 | Jewish |
| - August 2018 - | ||
| Aug 5 - Sunday | Friendship Day 2018 | Observance |
| Aug 15 - Wednesday | Assumption of Mary 2018 | Christian |
| Aug 19 - Sunday | National Aviation Day 2018 | Observance |
| Aug 21 - Tuesday | Day of Arafat 2018 | Muslim |
| Aug 21 - Tuesday | Senior Citizens Day 2018 | Observance |
| Aug 21 - Tuesday | Eid al-Adha 2018 | Muslim |
| Aug 25 - Saturday | Raksha Bandhan 2018 | Hindu |
| Aug 26 - Sunday | Women's Equality Day 2018 | Observance |
| - September 2018 - | ||
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| Sept 2 - Sunday | Krishna Janmashtami 2018 | Hindu |
| Sept 3 - Monday | Labor Day 2018 | National holiday |
| Sept 9 - Sunday | National Grandparents Day 2018 | Observance |
| Sept 12 - Wednesday | Muharram 2018 | Muslim |
| Sept 10 - Monday | Rosh Hashana 2018 | Jewish |
| Sept 11 - Tuesday | Patriot Day 2018 | Observance |
| Sept 12 - Wednesday | Ganesh Chaturthi 2018 | Hindu |
| Sept 17 - Monday | Constitution Citizenship Day 2018 | Observance |
| Sept 19 - Wednesday | Yom Kippur 2018 | Jewish |
| Sept 21 - Friday | Ashura 2018 | Muslim |
| Sept 23 - Sunday | Fall/ Spring - September equinox 2018 | Season |
| Sept 24 - Monday | Sukkot 2018 | Jewish |
| - October 2018 - | ||
| Oct 1 - Monday | Child Health Day 2018 | Observance |
| Oct 1 - Monday | Shemini Atzeret 2018 | Jewish |
| Oct 2 - Tuesday | Simchat Torah 2018 | Jewish |
| Oct 8 - Monday | Columbus Day 2018 | National holiday |
| Oct 9 - Tuesday | Leif Erikson 2018 | Observance |
| Oct 9 - Tuesday | Navratri 2018 | Hindu |
| Oct 16 - Tuesday | Boss's Day 2018 | Observance |
| Oct 18 - Thursday | Dussehra 2018 | Hindu |
| Oct 31 - Wednesday | Halloween 2018 | Observance |
| - November 2018 - | ||
| Nov 1 - Thursday | All Saints' Day 2018 | Christian |
| Nov 2 - Friday | All Souls Day 2018 | Christian |
| Nov 4 - Sunday | Daylight Saving Time - ends 2018 | Daylight Saving |
| Nov 7 - Wednesday | Diwali 2018 | Hindu |
| Nov 11 - Sunday | Veterans Day 2018 | National holiday |
| Nov 21 - Wednesday | The Prophet's Birthday 2018 | Muslim |
| Nov 22 - Thursday | Thanksgiving Day 2018 | National holiday |
| Nov 23 - Friday | Black Friday 2018 | Observance |
| Nov 26 - Monday | Cyber Monday 2018 | Observance |
| - December 2018 - | ||
| Dec 2 - Sunday | Advent 2018 | Christian |
| Dec 3 - Monday | Hanukkah/Chanukah - Starts 2018 | Jewish |
| Dec 6 - Thursday | St Nicholas Day 2018 | Christian |
| Dec 7 - Friday | Pearl Harbor Remebrance Day 2018 | Observance |
| Dec 10 - Monday | Hanukkah/Chanukah - Final Day 2018 | Jewish |
| Dec 17 - Monday | Wright Brothers Day 2018 | Observance |
| Dec 21 - Friday | Winter/Summer Solstice 2018 | Season |
| Dec 24 - Monday | Christmas Eve 2018 | Christian |
| Dec 25 - Tuesday | Christmas Day 2018 | National holiday |
| Dec 26 - Wednesday | Kwanzaa -thru Jan 1 2018 | Observance |
| Dec 31 - Monday | New Years Eve 2018 | Observance |