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Daily Fun & Noteworthy Holidays relating to Earth, Nature & Environment

The daily holidays listed here are fun, silly, weird and wacky, and they are also days for remembrance, to support a cause or to celebrate something in our society. These observances are typically not official by any state or government, most originate by organizations, groups, and well, we don't know where some of them got their start! So have fun, explore the daily holidays and celebrate!
Day
Perihelion Day January 3 Perihelion Day
Bird Day January 5 Bird Day
Apple Tree Day January 6 Apple Tree Day
Old Rock Day January 7 Old Rock Day
Earth's Rotation Day January 8 Earth's Rotation Day
Houseplant Appreciation Day January 10 Houseplant Appreciation Day
Save the Eagles Day January 10 Save the Eagles Day
Banyan Tree Day January 17 Banyan Tree Day
Penguins January 20 Penguin Awareness Day
International Mobile Phone Recycling Day January 24 Mobile Phone Recycling Day
January 26 Environmental Education Day
National Geographic Day January 27 National Geographic Day
January 28 Reducing CO2 Emissions Day
January 28 Rattlesnake Roundup Day
Daisy Day January 28 Daisy Day
January 31 Zebra Day
February 26 Big Garden Birdwatch
World Wetlands Day February 2 World Wetlands Day
Hedgehog Day February 2 Hedgehog Day
Groundhog Day February 2 Groundhog Day
Weatherperson February 5 Weatherperson's Day
Avocado Tree Day February 6 Avocado Tree Day
Umbrella Day February 10 Umbrella Day
February 14 World Bonobo Day
Hippo Day February 15 Hippo Day
World Whale Day February 17 World Whale Day
World Pangolin Day February 17 World Pangolin Day
Rainbow Eucalyptus Day February 17 Rainbow Eucalyptus Tree Day
World Whale Day February 17 World Whale Day
World Pangolin Day February 17 World Pangolin Day
Wildlife Conservationists Day February 22 Wildlife Conservationists Day
Wildlife Conservationists Day February 22 Wildlife Conservationists Day
Skip the Straw Day February 23 Skip the Straw Day
Polar Bear Day February 27 Polar Bear Day
March 1 Seagrass Day
World Wildlife Day March 3 World Wildlife Day
March 10 The Festival of Life in the Cracks Day
March 10 The Festival of Life in the Cracks Day
March 11 Key Deer Awareness Day
Plant a Flower Day March 12 Plant a Flower Day
Learn About Butterflies Day March 14 Learn About Butterflies Day
March 14 Day of Action for Rivers
Moth-er Day March 14 Moth-er Day
Day of Action for the Seals March 15 Day of Action for the Seals
Panda Day March 16 Panda Day
Save the Florida Panther Day March 16 Save the Florida Panther Day
Buzzard Day March 17 Buzzard Day
Oak Tree Day March 17 Live Oak Tree Day
March 19 Ag Day
World Sparrow Day March 20 World Sparrow Day
vegetables March 20 Meatout
March 21 Renewable Energy Day
International Day of Forests March 21 International Day of Forests
World Water Day March 22 World Water Day
Day of the Seal March 22 Day of the Seal
Walk in the Sand Day March 23 Walk in the Sand Day
World Meteorological Day March 23 World Meteorological Day
March 29 Niagara Falls Runs Dry Day
Earth Hour March 30 Earth Hour
Take a Walk in the Park Day March 30 Take a Walk in the Park Day
Ferret Day April 2 Ferret Day
Find a Rainbow Day April 3 Find a Rainbow Day
World Rat Day April 4 World Rat Day
Dandelion Day April 5 Dandelion Day
April 6 California Poppy Day
April 7 A Drop Of Water Is a Grain of Gold
Beaver Day April 7 Beaver Day
April 7 Geologists Day
April 8 Pygmy Hippo Day
Gopher Tortoise Day April 10 Gopher Tortoise Day
Catch and Release Day April 13 Catch and Release Day
April 13 Plant Appreciation Day
Look Up at the Sky Day April 14 Look Up at the Sky Day
Dolphin Day April 14 Dolphin Day
Save the Elephant Day April 16 Save the Elephant Day
Orchid Day April 16 Orchid Day
Wax Palm Tree Day April 17 Wax Palm Tree Day
Palm Tree Day April 17 Palm Tree Day
Bat Appreciation Day April 17 Bat Appreciation Day
laundry line April 19 Hanging Out Day
Cli-Fi Day April 20 Cli-Fi Day
Curlew Day April 21 Curlew Day
Global Selfie Earth Day April 22 Global Selfie Earth Day
International Mother Earth Day April 22 International Mother Earth Day
World Penguin Day April 25 World Penguin Day
World Penguin Day April 25 World Penguin Day
Audubon Day April 26 Audubon Day
Go Birding Day April 27 Go Birding Day
World Tapir Day April 27 World Tapir Day
April 27 Marine Mammal Rescue Day
May 1 Sunflower Guerilla Gardening Day
Save the Rhino Day May 1 Save the Rhino Day
Quests on Earth Day May 2 Quests on Earth Day
Fire Day May 2 Fire Day
Great Lakes Awareness Day May 2 Great Lakes Awareness Day
World Tuna Day May 2 World Tuna Day
May 3 Wild Koala Day
May 4 Naked Gardening Day
Start Seeing Monarchs Day May 7 Start Seeing Monarchs Day
May 8 Iris Day
Mother Ocean Day May 11 Mother Ocean Day
May 12 International Day of Plant Health (I.D.P.H.)
Fintastic Friday May 13 Fintastic Friday
Fintastic Friday May 13 Fintastic Friday
May 13 Tulip Day
Frog Jumping Day May 13 Frog Jumping Day
Windmill Day May 14 Windmill Day
World Migratory Bird Day May 14 World Migratory Bird Day
Windmill Day May 14 Windmill Day
World Migratory Bird Day May 14 World Migratory Bird Day
Sea Monkey Day May 16 Sea Monkey Day
Sea Monkey Day May 16 Sea Monkey Day
Love a Tree Day May 16 Love a Tree Day
Baobab Tree Day May 17 Baobab Tree Day
May 19 Plant Something Day
May Ray Day May 19 May Ray Day
Endangered Species Day May 20 Endangered Species Day
May 20 Plant a Lemon Tree Day
Bike to Work Day May 20 Bike to Work Day
River Cleanup Day May 21 River Cleanup Day
International Day for Biological Diversity May 22 International Day for Biological Diversity
Sea Turtle May 23 World Turtle Day
World Otter Day May 25 World Otter Day
May 28 Whooping Crane Day
May 29 Alligator Day
Learn About Composting Day May 29 Learn About Composting Day
May 29 Mount Everest Day
May 31 World Parrot Day
Dinosaur Day June 1 Dinosaur Day
World Reef Day June 1 World Reef Day
Chimborazo Day (High Point of the Year Day) June 3 Chimborazo Day (High Point of the Year Day)
World Bicycle Day June 3 World Bicycle Day
Black Bear Day June 4 Black Bear Day
Prairie Day June 4 Prairie Day
Trails Day June 4 Trails Day
World Environment Day June 5 World Environment Day
June 6 Caves and Karst Day
June Bug Day June 7 June Bug Day
June Bug Day June 7 June Bug Day
World Oceans Day June 8 World Oceans Day
Cousteau Day June 11 Cousteau Day
Young Eagles Day June 11 Young Eagles Day
Red Rose Day June 12 Red Rose Day
Global Wind Day June 15 Global Wind Day
Nature Photography Day June 15 Nature Photography Day
Nature Photography Day June 15 Nature Photography Day
Global Wind Day June 15 Global Wind Day
June 16 Waterfall Day
June 16 World Sea Turtle Day
June 16 Arborist Appreciation Day
World Day to Combat Desertification and Drought June 17 World Day to Combat Desertification and Drought
Kauri Tree Day June 17 Kauri Tree Day
June 21 Daylight Appreciation Day
World Giraffe Day June 21 World Giraffe Day
Seashell Day June 21 Seashell Day
World Rainforest Day June 22 World Rainforest Day
Pink Flamingo Day June 23 Pink Flamingo Day
Orange Blossom Day June 27 Orange Blossom Day
International Day of the Tropics June 29 International Day of the Tropics
Hop-a-Park Day July 2 Hop-a-Park Day
Plastic bag free day July 3 International Plastic Bag Free Day
Vegetables July 4 Independence From Meat Day
Don't Step on a Bee Day July 10 Don't Step on a Bee Day
Don't Step on a Bee Day July 10 Don't Step on a Bee Day
Global Energy Independence Day July 10 Global Energy Independence Day
Rock Day July 13 Rock Day
July 14 Be Nice to Bugs Day
Shark Awareness Day July 14 Shark Awareness Day
I Love Horses Day July 15 I Love Horses Day
World Snake Day July 16 World Snake Day
Lake Superior Day July 17 Lake Superior Day
Giant Sequoias Tree Day July 17 Giant Sequoias Tree Day
July 21 Take a Monkey to Lunch Day
July 28 World Nature Conservation Day
July 29 Rain Day
International Tiger Day July 29 International Tiger Day
International Tiger Day July 29 International Tiger Day
World Ranger Day July 31 World Ranger Day
August 4 Clouded Leopard Day
August 8 Scottish Wildcat Day
World Lion Day August 10 World Lion Day
World Lion Day August 10 World Lion Day
elephant August 12 World Elephant Day
World Lizard Day August 14 World Lizard Day
Geocaching Day August 17 Geocaching Day
Dead Vlei Trees Day August 17 Dead Vlei Trees Day
World Orangutan Day August 19 World Orangutan Day
World Honey Bee Day August 20 World Honey Bee Day
World Honey Bee Day August 20 World Honey Bee Day
World Mosquito Day August 20 World Mosquito Day
Beach Umbrella Day August 20 Beach Umbrella Day
Pompeii Vesuvius Day August 24 Vesuvius Day
National Park Day August 25 National Park Service Day
International Day Against Nuclear Tests August 29 International Day Against Nuclear Tests
Whale Shark August 30 International Whale Shark Day
Diatomaceous Earth Day August 31 Diatomaceous Earth Day
Eat Outside Day August 31 Eat Outside Day
September 1 Pet Rock Day
World Beach Day September 1 World Beach Day
Hummingbird Day September 3 Hummingbird Day
Hummingbird Day September 3 Hummingbird Day
Vulture Awareness Day September 3 Vulture Awareness Day
September 4 America Wildlife Day
September 7 International Day of Clean Air
Carl Garner Federal Lands Cleanup Day September 10 Carl Garner Federal Lands Cleanup Day
September 14 Iguana Awareness Day
Greenpeace Day September 15 Greenpeace Day
International Day for the Preservation of the Ozone Layer September 16 International Day for the Preservation of the Ozone Layer
International Red Panda Day September 16 International Red Panda Day
Quiver Tree Day September 17 Quiver Tree Day
World Bamboo Day September 18 World Bamboo Day
September 18 World Water Monitoring Day
Build a Sandcastle Day September 20 Build a Sandcastle Day
World Cleanup Day & Weekend September 21 World Cleanup Day & Weekend
September 21 Coastal & Beach Cleanup Day
Elephant Appreciation Day September 22 Elephant Appreciation Day
World Rivers Day September 22 World Rivers Day
September 22 Rhino Day
car free day September 22 Car Free Day
Public Lands Day September 24 Public Lands Day
Beach Therapy Day September 25 Beach Therapy Day
Shamu the Whale Day September 26 Shamu the Whale Day
International Day for the Total Elimination of Nuclear Weapons September 26 International Day for the Total Elimination of Nuclear Weapons
Crush A Can Day September 27 Crush A Can Day
Save The Koala Day September 29 Save The Koala Day
Save The Koala Day September 29 Save The Koala Day
Go Shelling Day September 30 Go Shelling Day
International Raccoon Appreciation Day October 1 International Raccoon Appreciation Day
change a light day October 2 Change A Light Day
World Habitat Day October 3 World Habitat Day
Octopus day October 8 World Octopus Day
International Day for Disaster Reduction October 13 International Day for Disaster Reduction
Dragon Blood Tree Day October 17 Dragon Blood Tree Day
International Sloth Day October 20 International Sloth Day
Imagine a Day Without Water October 20 Imagine a Day Without Water
International Sloth Day October 20 International Sloth Day
Reptile Day October 21 Reptile Day
World Planting Day October 22 World Planting Day
Mole Day October 23 Mole Day
International Day of Climate Action October 24 International Day of Climate Action
October 27 World Lemar Day
Jellyfish Day November 3 Jellyfish Day
Bison Day November 5 Bison Day
World Tsunami Awareness Day November 5 World Tsunami Awareness Day
World Tsunami Awareness Day November 5 World Tsunami Awareness Day
International Day for Preventing the Exploitation of  the Environment in War and Armed Conflict November 6 Day for Preventing the Exploitation of the Environment in War
Beach Sand Therapy Day November 10 Beach Sand Therapy Day
Recycling Day November 15 America Recycles Day
Ta Prohm Tree Day November 17 Ta Prohm Tree Day
Take a Hike Day November 17 Take a Hike Day
Fur Free Friday November 25 Fur Free Friday
December 4 International Cheetah Day
December 4 SKYWARN Recognition Day
World Soil Day December 5 World Soil Day
December 9 Llama Day
Mountain Day December 11 Mountain Day
Monkey Day December 14 Monkey Day
Bald Cypress Tree Day December 17 Bald Cypress Tree Day
Clean Air Day December 17 Clean Air Day
December 19 Holly Day
Bonsai Tree Day December 27 Bonsai Tree Day
Visit the zoo day December 27 Visit the Zoo Day