The summer solstice occurs when the Sun travels along its northernmost path in the sky. It occurs on June 21 every year. In the northern half of the globe, the day marks the astronomical start of summer. Thus, millions of people are celebrating the first day of summer and sharing Happy First Day of Summer 2021 several wishes, greetings, quotes, wallpapers on Twitter.  Take a look:

Fabulous Summer

Happy official first day of summer to our fabulous teachers and staff!!!! I appreciate you!!!! Enjoy your summer. You deserve it!!!! See you in August!!! 🥳😎 pic.twitter.com/PsCPHX8xQY

— Christy Vaill (@VaillChristy) June 15, 2021

Bright and Beautiful Season

•Sunday,June 20th •

First day of Summer 😁🌻🌸 pic.twitter.com/mGYtDvdewj

— Shortie name Jordie 🌻✨ (@its_just_j0rdan) June 21, 2021

It's Official

It's the Official First Day of Summer!!! pic.twitter.com/xc8R1X08gn

— Mike's TOON TOWN (@MikesToonTown) June 20, 2021

Happy First

Happy first *official* day of summer, AZ! 🌵

— Kyrsten Sinema (@kyrstensinema) June 20, 2021

Cute

today is the first day of summer so like go out there pic.twitter.com/IVQIBH6ghf

— Ooga ᕕ(ᐛ)ᕗ (@SomeOoga) June 21, 2021

Best Season

The first day of summer 2021 is June 20 at 11:32 p.m. It's called the Summer Solstice because it's the longest day of the year. pic.twitter.com/Jht6z0G6zc

— Fannie Lou Hamer (@FLHAmerica) June 20, 2021

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