Calendar of STEM-related seasonal events and holidays

STEM Throughout the Year!

Ideas for incorporating current science, engineering, and technology content into holidays, seasons, annual events, and special events.


2019 - year long events

Celestial Events

Meteor showers, lunar eclipses, full moons, planetary events, and more:


Snow and Snowflakes:


Predictions for the New Year (January 1) 

National Bird Day (January 5)

National Static Electricity Day (January 9)


Black History Month / African-American History Month (February) -  celebrate people in STEM

Valentine's Day (February 14) 

National Engineers Week (February) 

Introduce a Girl to Engineering Day (February)

Great Backyard Bird Count (mid-February)



Women's History Month (March)celebrate people in STEM

NanoDays (last weekend in March - first weekend in April)

2017: March 25-April 2
2018: March 31-April 8
2019: March 30-April 7
2020: March 28-April 5

Groundwater Awareness Week (second full week in March)

Dr. Seuss Day (March 2) 

Brain Awareness Week (mid-March)

Pi Day (March 14)

National Learn about Butterflies Days (March 14)

World Water Day (March 22)

Earth Hour (mid-March) (March 30, 2019)


Global Astronomy Month (April) 
Astronomy Day (Spring) (April 21, 2018; May 11, 2019; May 2, 2020; May 15, 2021)
Astronomy Week (Spring) (April 16-30; 2018 May 6-12; 2019 April 27-May 3, 2020; May 10-16, 2021)

Mathematics and Statistics Awareness Month

World Health Day (April 7)

National Robotics Week (second week in April) 

Yuri's Night (April 12)

Citizen Science Day (mid April)

Earth Day (April 22) 
National Environmental Education Week 
(week of Earth Day) (2020 is the 50th anniversary)

DNA Day (April 25)

National Poetry Month (April)


National Physical Fitness and Sports Month (May)

May the Fourth be with you - Star Wars (May 4)

National Children’s Book Week (early May) 

Caribbean Mosquito Awareness Week   (May)


Summer Reading

Sun and Sand

Summer Camp


World Oceans Day (June 8)

National Week of Making (end of June)

National Mosquito Control Awareness Week  - Fight the Bite (week of June 26)

Asteroid Day (June 30)


    Pride in STEM Day (July)

    World Brain Day (mid-July)

    Moon Landing - anniversary of Apollo 11 first step on the Moon July 20, 1969


    National Aviation Day (August 19)


    Back to School 


    National Aerospace Week (second week in September)

    National Pollution Prevention Week (P2 Week) (third week in September)

    Worldwide Day of Play (WWDoP) (September 29, 2018)


    Astronomy Day (Fall) (September 30, 2017; October 13, 2018; October 5, 2019; September 26, 2020; October 9, 2021)
    Astronomy Week (Fall) (September 25-October 1, 2017; October 8-14, 2018; September 30-October 6, 2019; September 21-27, 2020; October 4-10, 2021)

    World Space Week (October 4-10)

    National Nano Day (October 9th)
    National Nanotechnology Day (#NationalNanoDay) is an annual celebration and pays homage to the nanometer scale, 10–9 meters.

    Metric Day (October 10th)

    Campus Sustainability Month (October)

    Earth Science Week (second full week in October)
    (October 14-20, 2018); 
    October 13-19, 2019; October 11-17, 2020; October 10-16, 20210

    International Observe the Moon Night (October 20, 2018; October 5, 2019, September 25, 2020)

    National Chemistry Week (third full week in October)
    Mole Day (October 23) 
    commemorates Avogadro's Number (6.02 x 1023), which is a measuring unit in chemistry.

    Nuclear Science Week (NSW) (third week in October)

    Halloween (October 31)


    International Science Center and Science Museum Day (November 10)

    America Recycles Day (November 15)

      Thanksgiving (November)


      Computer Science Education Week (CSEdWeek) and Hour of Code (2nd week in December)


      Super Hero activities

      Science Fiction 

      Food related activities

      Past Events

      2014 - year-long events

      International Year of Crystallography: 2014

      2015 - year-long events

      International Year of Light: 2015
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