Amascut and Fairy Fixit's canon treats holidays like two week long affairs so yes, holidays are long, drawn out affairs.
Amascut particularly hates Halloween, unless she figures out some scheme that allows her to eat a bunch of ghosts and turn a bunch of vampires and zombies into fertilizer. One of these days she is going to figure out that ghostbusting is a thing.
Ahsoka, like the Jedi, doesn't seem to celebrate holidays.
Sabine likely has Mandalorian holidays she recognizes but doesn't make a huge deal about. Nothing that would get in the way of the mission at least.
Danny is still adjusting to being back in Western society, but I am certain once Christmas rolls around, he'll leap into it with both feet. I now want to see him in an ugly Christmas sweater.
Jessica doesn't do holidays, but she does love Ben Grimm's holiday get together and have Chinese.
Viv likely does whatever the neighbors are doing or he father emulates or tries out. They are still feeling out what normal is for them, so tend towards what will allow them to fit in with their neighborhood. So likely this means the lights come out the weekend after Thanksgiving and each day has scheduled holiday time.
Overwatch, Don't Starve Together, and Fallen London all have fairly lengthy holiday events, especially at this time of year.
Bastion kinda tags along with what the humans are doing, rather than deciding for themself how much celebrating to do at what times.
Wilson was never a 'start celebrating as soon as possible and keep doing it as long as possible' holiday person on Earth, but studying seasonal monsters is always interesting if sometimes horrifying (ask him about the laser-eye Deerclops sometime) and it's fun to mess around with seasonal items. Also two of the three seasonal events that correspond to IRL holidays and don't involve being plunged into another dimension (Hallowed Nights and Winter's Feast) give him both the opportunity and the excuse to eat massive amounts of candy. This year Hallowed Nights gave players the option to build a 'mad science station', which let them brew potions; it's the sort of thing Wilson would have spent the entire month of October tinkering on.
Thurlow mainly confines their own celebrations to the actual holiday and a day or two to either side of it, but the Fifth City gets... weird in the winter.
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Amascut particularly hates Halloween, unless she figures out some scheme that allows her to eat a bunch of ghosts and turn a bunch of vampires and zombies into fertilizer. One of these days she is going to figure out that ghostbusting is a thing.
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Sabine likely has Mandalorian holidays she recognizes but doesn't make a huge deal about. Nothing that would get in the way of the mission at least.
Danny is still adjusting to being back in Western society, but I am certain once Christmas rolls around, he'll leap into it with both feet. I now want to see him in an ugly Christmas sweater.
Jessica doesn't do holidays, but she does love Ben Grimm's holiday get together and have Chinese.
Viv likely does whatever the neighbors are doing or he father emulates or tries out. They are still feeling out what normal is for them, so tend towards what will allow them to fit in with their neighborhood. So likely this means the lights come out the weekend after Thanksgiving and each day has scheduled holiday time.
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Bastion kinda tags along with what the humans are doing, rather than deciding for themself how much celebrating to do at what times.
Wilson was never a 'start celebrating as soon as possible and keep doing it as long as possible' holiday person on Earth, but studying seasonal monsters is always interesting if sometimes horrifying (ask him about the laser-eye Deerclops sometime) and it's fun to mess around with seasonal items. Also two of the three seasonal events that correspond to IRL holidays and don't involve being plunged into another dimension (Hallowed Nights and Winter's Feast) give him both the opportunity and the excuse to eat massive amounts of candy. This year Hallowed Nights gave players the option to build a 'mad science station', which let them brew potions; it's the sort of thing Wilson would have spent the entire month of October tinkering on.
Thurlow mainly confines their own celebrations to the actual holiday and a day or two to either side of it, but the Fifth City gets... weird in the winter.
I'm drawing a blank on the trolls' answers.