- "He groped behind him and she forced the bundle of slippery cloth into his free hand. With difficulty he dragged it over himself, murmured, 'Nox,' extinguishing his wand light, and continued on his hands and knees, as silently as possible, all his senses straining, expecting every second to be discovered, to hear a cold clear voice, see a flash of green light."
- —Harry uses this, invisible, whilst crawling through the tunnel into the Whomping Willow.[src]
It can be assumed this spell was invented by the same person who invented the Wand-lighting Charm, Levina Monkstanley. She invented the Wand-lighting charm in 18th century and most likely the Wand-Extinguishing Charm around that time to.
|Harry Potter||6 June, 1994||He used it when trying to gain entry to the upstairs of the Shrieking Shack unobserved. Also used when Harry was in the passage beneath the Whomping Willow which leads to the Shrieking Shack.|
|August, 1997||Harry used this spell while the Trio was hiding in Grimmauld Place during August after the fall of the ministry.|
|September, 1997||Harry used this in the forest while the Trio was on their hunt for Horcruxes, after infiltrating the ministry.|
|Hermione Granger||6 June, 1994||She used it when trying to gain entry to the upstairs of the Shrieking Shack unobserved. Also used when Harry was in the passage beneath the Whomping Willow which leads to the Shrieking Shack.|
In Latin, "nox" means "night." Nox is also the name of the Roman Goddess of night derived from Nyx (Greek goddess of darkness and night).
Behind the scenes
- In most of the video games, the Lumos Charm is extinguished by itself after some time, not requiring this spell.
- On any Android phone (on Lollipop or better), if a user types Nox in the search bar on the Google app, the torch will turn off. Respectively, Lumos turns it on.
- Harry Potter and the Prisoner of Azkaban (First appearance)
- Harry Potter and the Prisoner of Azkaban (film)
- Harry Potter and the Order of the Phoenix (film) (Cut from final edit)
- Harry Potter and the Deathly Hallows
- Pottermore (First identified as Wand-Extinguishing Charm)