Pokemon GO’s December Community Day drops on December 16, 2023, and you have to be prepared for this event. The upcoming event will be a recap of all the past Community Days that took place in 2022 and 2023. Thus, if you missed any of the previous Community Day Pokemon and their shinies and exclusive moves, this event will allow you a second chance to bag them.In this article, we will run you through the whole event, everything you need to know about the December Community Day, and how you can prepare for it.How to prepare for the December Community Day event in Pokemon GOGreninja can be evolved from Froakie in GO (Image via The Pokemon Company, TPC)Managing Pokemon StorageThere will be a lot of Pokemon in this event. So, make sure you have a lot of free slots in your Pokemon Storage before the event starts. The main event will last for three hours, which you should utilize for catching monsters.Niantic recently increased the maximum slots in Pokemon Storage. So, if you can afford to spend some PokeCoins, it is advisable to max out your Pokemon bag before this event.However, if you are a free-to-player and rely on PokeCoins from Gym defense, keeping 300-350 free slots will be enough for this event.Managing Item StorageTry to allot as much space as possible in your Item Storage to Poke Balls. You will not need Berries during this event since there is a Candy bonus and the monsters won’t be hard to catch.So, try to pack as many balls as you can to maximize your efficiency during this event.Pokemon GO December Community Day key detailsDate and timeYou can play in The December Community Day event on Saturday, December 16, 2023, and Sunday, December 17, 2023, from 2 pm to 5 pm local time.Active bonuses during the December Community Day eventYou will enjoy the following bonuses during this event:All featured Pokemon will have increased spawnsYou will get 2x XP for catching monstersYou will get 2x Stardust for catching monstersAll eggs incubated during this event will enjoy half Hatch DistancesYou will get 2x Catch Candy for catching monstersYou will enjoy a 2x chance of getting Candy XL for catching monstersIncenses used during this event will last for three hoursAll Lures applied during this event will last for three hoursYou can perform one extra Special Trade during this eventAll trades will cost 50% less StardustAll 2022 Community Day Pokemon spawns during the December Community Day event in Pokemon GOAlolan Sandslash evolves from Alolan Sandshrew (Image via TPC)You can come across Community Day exclusive Pokemon from 2022 in 2 km eggs and 1-star raids. The ones you will encounter are:SandshrewAlolan SandshrewAlolan GeodudeHoppipTeddiursaGalarian ZigzagoonSphealStarlyLitwickDeinoRoggenrolaStuffulShiny odds of all 2022 Pokemon during the December Community Day event in Pokemon GOThe aforementioned list of Pokemon returning to GO during this event from 2022 will not have boosted shiny odds of 1-in-25. Instead, all of them will enjoy shiny odds of 1-in-64 or 1-in-125.Thus, it is still possible that you can hunt for these shinies without having to break your back.Best raid bosses during the December Community Day event in Pokemon GOAlolan Sandslash: Evolves into Alolan Sandshrew, which is a great attacker in the Great LeagueGalarian Zigzagoon: Evolves into Obstagoon, which is really strong in the Great and Ultra LeaguesSpheal: Evolves into Walrein, which is one of the best Ice-type attackers in the Ultra LeagueAll 2022 Community Day exclusive moves during the December Community Day event in Pokemon GOAll 2022 Community Day exclusive moves will be returning during this event in GO:Walrein will get Powder Snow and Icicle SpearJumpluff will get AcrobaticsSandslash will get Night SlashAlolan Sandslash will get Shadow ClawAlolan Golem will get RolloutStaraptor will get GustHydreigon will get Brutal SwingObstagoon will get ObstructChandelure will get PoltergeistGigalith will get Meteor BeamUrsaluna will get High HorsepowerBewear will get Drain PunchAll 2023 Community Day Pokemon spawns during the December Community Day event in Pokemon GOConkeldurr evolves from Timburr (Image via TPC)You can come across the following Community Day exclusive Pokemon from 2023:SlowpokeGalarian SlowpokeTogeticChespinFennekinNoibatPoliwagWooperPaldean WooperTimburrAxewFroakieGrubbinBest 2023 Pokemon to catch during December Community Day event in Pokemon GOYou should look out for the following monsters from 2023 while playing during this event:Togetic: Its evolved form Togekiss is good as a Fairy-type raid attacker and has viability in the Master LeaguePoliwag: Its evolved form Poliwrath is amazing in the Great and Ultra LeagueWooper and Paldean Wooper: Its evolved forms Quagsire and Clodsire are great monsters to use in the GO Battle LeagueTimburr: Its evolved form Conkeldurr is a great Fighting-type attackerAxew: Its evolved form Haxorus does great in the Master LeagueFroakie: Its evolved form Greninja is one of the best Water-type attackers in the Great and Ultra LeaguesShiny odds of all 2023 Pokemon during the December Community Day event in Pokemon GOAll the aforementioned Pocket Monsters will have shiny odds of 1-in-25. If lucky, you can enjoy better shiny odds. However, this probability is not absolute, and the odds can be much worse depending on your luck.All 2023 Community Day exclusive moves during the December Community Day event in Pokemon GOTogetic and Togekiss (Image via TPC)All 2023 Community Day exclusive moves will be returning during this event in GO:Poliwrath will get CounterSlowbro Galarian Slowbro, Slowking, and Galarian Slowking will get SurfPolitoed will get Ice BeamQuagsire will get Aqua TailTogekiss will get Aura SphereGigalith will get Meteor BeamConkeldurr will get Brutal SwingHaxorus will get Breaking SwipeChesnaught will get Frenzy PlantDelphox will get Blast BurnGreninja will get Hydro CannonNoivern will get BoomburstAll Community Day Classic Pokemon spawns during the December Community Day event in Pokemon GOThe following Pokemon from the Community Day Classics will be featured during this event in GO:CharmanderSquirtleMareepSwinubLarvitarBest Community Day Classic Pokemon to catch during the December Community Day event in Pokemon GOCharmander: Its evolved form Charizard is one of the best Fire-type attackers in the GO Battle LeagueSwinub: Its evolved form Mamoswine is one of the best Ice and Ground-type raid attackers. It also has some utility in the Master LeagueAll Community Day Classic moves during December Community DayCharizard will get Dragon Breath and Blast BurnBlastoise will get Hydro CannonMamoswine will get Ancient PowerAmpharos will get Dragon PulseTyranitar will get Smack DownIf you want one of these Legacy moves on a shadow Pokemon by evolving it, you will have to use a Charged TM to remove Frustration before the evolution. However, there will not be any Team GO Rocket events during this event. So, you will have to wait for some time.100 IV stats of all Pokemon during the December Community Day event in Pokemon GOCharizard evolves from Charmander (Image via TPC)There will be three CPs mentioned for each monster. They will be for Field Research encounters, wild encounters, and weather-boosted encounters, respectively:Chespin: 469, 939, and 1,018Noibat: 285, 571, and 619Slowpoke and Galarian Slowpoke: 525, 1,051, and 1,139Togetic: 732, 1,464, and 1,586Fennekin: 440, 881, and 954Axew: 586, 1,173, and 1,271Poliwag: 355, 710, and 769Froakie: 567, 851, and 921Grubbin: 421, 843, and 914Timburr: 563, 1,127, and 1,221Wooper and Paldean Wooper: 275, 550, and 596Charmander: 420, 840, and 910Squirtle: 405, 810, and 878Mareep: 424, 849, and 920Swinub: 317, 635, and 688Larvitar: 445, 891, and 966How to get 100 IV Pokemon during Pokemon GO’s December Community DayThe best way to get a 100 IV (Hundo) Pokemon during any event in GO is by catching as many monsters as you can. However, there is no method to guarantee its spawn in this game.Since it is based on luck, you will have to grind for a 100 IV Pocket Monster during this event.Is it worth playing the December Community Day event in Pokemon GO?If you have missed some of the important Pokemon and their Legacy moves from previous events, like Charizard with Blast Burn and Greninja with Hydro Cannon, we feel you should definitely play during this event in GO. Having some strong meta-relevant Pokemon is not something you can complain about.Furthermore, if you are a shiny hunter and you missed some of the Community Day shinies, you can use this event as a way to catch some good IV shinies. These will not only be useful for your collection but you can also flex with them in the Pokemon GO Battle League.