Bad days spare no one and happen without warning. From infuriating glitches that crop up out of the blue to very close calls, we never know what the future holds.
Our day starts normally, everything looks good, and then "wham", bad luck strikes and our great day rapidly goes downhill.
So, please spare a thought for these 17 people who certainly didn't have the best day of their lives.
1. Someone took the bus to work

© FuzzyTwiguh92/Reddit
2. It was a long-haul flight

© mr_hargao/Reddit
3. How???

© madethisjustforpewds/Reddit
4. Thankfully no one was injured

© l33t_d0nut/Reddit
5. Everyone was safe in their classroom

© OldElPasoSnowplow/Reddit
6. When only 4 people sign your farewell card

© NubShakeZ/Reddit
7. She didn't know graduation day had been cancelled

© kookf***/Reddit
8. When you see your home go up in flames

© EfexSupreme-75/Reddit
9. Their new locker

© rarecoder/Reddit
10. Find the culprit!

© GreenGzus/Reddit
11. An amazing view of Mount Rushmore

© parkourgamer/Reddit
12. After heavy rain - gulp!

© LiquidArrogance/Reddit
13. Never microwave eggs

© samcornwell/Reddit
14. Waiting for help to arrive

© TheNightMan5000/Reddit
15. Guess cats have bad days too

© gianlucadelonge/Reddit
16. The bride didn't come out so good...

© flapflip3/Reddit
17. They found their non-existant chair

© Kennedylan/Reddit