SOURCES:https://www.pbs.org/newshour/science/heres-why-the-winter-solstice-is-significant-in-cultures-across-the-world
https://onlinelibrary.wiley.com/doi/10.1002/asna.201913553#:~:text=They%20marked%20solar%20events%20such,year%20with%20a%20precise%20calendar.

https://en.wikipedia.org/wiki/Inti_Raymi

https://trexperienceperu.com/blog/inti-raymihttps://www.ticketmachupicchu.com/astronomy-and-calendar-inca/https://www.britannica.com/topic/pre-Columbian-civilizations/Inca-religion#ref583771

https://surfiran.com/mag/yalda-night/

https://persianmama.com/shabe-yalda-a-persian-celebration/

https://www.cais-soas.com/CAIS/Celebrations/yalda.htm