- Day of Beginning SEASON OF EMOTION (January 2 - May 2) The Reign of Mesprit (1/2-1/12) - Festival of Mesprit - Festival of Shiny Mesprit - Festival of Shadow Mesprit - Day of Ralts, Kirlia and Gardevoir - Day of Gallade - Day of Togepi and Togetic - Day of Togekiss - Day of Happiny - Day of Chansey - Day of Blissey - Day of Luvdisc The Reign of Articuno (1/13-1/23) - Festival of Articuno - Festival of Shiny Articuno - Festival of Shadow Articuno - Day of Seel and Dewgong - Day of Delibird - Day of Krabby and Kingler - Day of Slowpoke and Slowbro - Day of Slowking - Day of Shellder and Cloyster - Day of Smoochum - Day of Jynx The Reign of Zapdos (1/24-2/3) - Festival of Zapdos - Festival of Shiny Zapdos - Festival of Shadow Zapdos - Day of Voltorb and Electrode - Day of Elekid - Day of Electabuzz - Day of Electivire - Day of Magnemite and Magneton - Day of Magnezone - Day of Pichu - Day of Pikachu and Raichu The Reign of Moltres (2/4-2/14) - Festival of Moltres - Festival of Shiny Moltres - Festival of Shadow Moltres - Day of Charmander, Charmeleon and Charizard - Day of Vulpix and Ninetales - Day of Growlithe and Arcanine - Day of Ponyta and Rapidash - Day of Doduo and Dodrio - Day of Cyndaquil, Quilava and Typhlosion - Day of Torchic, Combusken and Blaziken - Day of Chatot The Reign of Cresselia (2/15-2/25) - Festival of Cresselia - Festival of Shiny Cresselia - Festival of Shadow Cresselia - Day of Lunatone - Day of Solrock - Day of Staryu and Starmie - Day of Sunkern and Sunflora - Day of Teddiursa and Ursaring - Day of Feebas and Milotic - Day of Spinda - Day of Skitty and Delcatty The Reign of Mew (2/26-3/8) - Festival of Mew - Festival of Shiny Mew - Festival of Shadow Mew (- Day of the Cloning) - Festival of Mewtwo - Festival of Shiny Mewtwo - Festival of Shadow Mewtwo - Day of Cleffa - Day of Clefairy and Clefable - Day of Igglybuff - Day of Jigglypuff and Wigglytuff - Day of Hoppip, Skiploom and Jumpluff The Reign of Latias (3/9-3/19) - Festival of Latias - Festival of Shiny Latias - Festival of Shadow Latias - Day of Zangoose - Day of Wynaut - Day of Wobbuffet - Day of Wurmple, Silcoon, Beautifly, Cascoon and Dustox - Day of Illumise - Day of Nidoran♀, Nidorina and Nidoqueen - Day of Burmy, Wormadam and Mothim - Day of Combee and Vespiquen The Reign of Latios (3/20-3/30) - Festival of Latios - Festival of Shiny Latios - Festival of Shadow Latios - Day of Bagon, Shelgon and Salamence - Day of Seviper - Day of Gligar - Day of Gliscor - Day of Volbeat - Day of Nidoran♂, Nidorino and Nidoking - Day of Kricketot and Kricketune - Day of Cranidos and Rampardos The Reign of Jirachi (3/31-4/10) - Festival of Jirachi - Festival of Shiny Jirachi - Festival of Shadow Jirachi - Day of Mime Jr. - Day of Mr. Mime - Day of Aipom - Day of Ambipom - Day of Stantler - Day of Meditite and Medicham - Day of Chingling - Day of Chimecho The Reign of Shaymin (4/11-4/21) - Festival of Shaymin - Festival of Shiny Shaymin - Festival of Shadow Shaymin - Day of Roselia - Day of Budew and Roserade - Day of Oddish, Gloom and Vileplume - Day of Bellossom - Day of Paras and Parasect - Day of Venonat and Venomoth - Day of Chikorita, Bayleef and Meganium - Day of Treecko, Grovyle and Sceptile The Reign of Manaphy (4/22-5/2) - Festival of Manaphy - Festival of Shiny Manaphy - Festival of Shadow Manaphy - Festival of Phione - Festival of Shiny Phione - Festival of Shadow Phione - Day of Finneon and Lumineon - Day of Tentacool and Tentacruel - Day of Azurill - Day of Marill and Azumarill - Day of Lotad, Lombre and Ludicolo SEASON OF KNOWLEDGE (May 3 - August 31) The Reign of Uxie (5/3-5/13) - Festival of Uxie - Festival of Shiny Uxie - Festival of Shadow Uxie - Day of Natu and Xatu - Day of Abra, Kadabra and Alakazam - Day of Unown - Day of Baltoy and Claydol - Day of Psyduck and Golduck - Day of Girafarig - Day of Makuhita and Hariyama - Day of Gulpin and Swalot The Reign of Regirock (5/14-5/24) - Festival of Regirock - Festival of Shiny Regirock - Festival of Shadow Regirock - Day of Geodude, Graveler and Golem - Day of Rhyhorn and Rhydon - Day of Rhyperior - Day of Bonsly - Day of Sudowoodo - Day of Nosepass - Day of Probopass - Day of Lileep and Cradily The Reign of Regice (5/25-6/4) - Festival of Regice - Festival of Shiny Regice - Festival of Shadow Regice - Day of Omanyte and Omastar - Day of Kabuto and Kabutops - Day of Swinub and Piloswine - Day of Mamoswine - Day of Snorunt and Glalie - Day of Froslass - Day of Spheal, Sealeo and Walrein - Day of Snover and Abomasnow The Reign of Registeel (6/5-6/15) - Festival of Registeel - Festival of Shiny Registeel - Festival of Shadow Registeel - Day of Beldum, Metang and Metagross - Day of Onix - Day of Steelix - Day of Pineco and Forretress - Day of Skarmory - Day of Mawile - Day of Aron, Lairon and Aggron - Day of Piplup, Prinplup and Empoleon The Reign of Regigigas (6/16-6/26) - Festival of Regigigas - Festival of Shiny Regigigas - Festival of Shadow Regigigas - Day of Rattata and Raticate - Day of Slakoth, Vigoroth and Slaking - Day of Lickitung - Day of Lickilicky - Day of Tauros - Day of Miltank - Day of Munchlax - Day of Snorlax The Reign of Ho-Oh (6/27-7/7) - Festival of Ho-Oh - Festival of Shiny Ho-Oh - Festival of Shadow Ho-Oh - Day of Pidgey, Pidgeotto and Pidgeot - Day of Spearow and Fearow - Day of Farfetch’d - Day of Taillow and Swellow - Day of Tropius - Day of Starly, Staravia and Staraptor - Day of Hoothoot and Noctowl - Day of Bidoof and Bibarel The Reign of Lugia (7/8-7/18) - Festival of Lugia - Festival of Shiny Lugia - Festival of Shadow Lugia - Day of Buizel and Floatzel - Day of Surskit and Masquerain - Day of Wingull and Pelipper - Day of Wailmer and Wailord - Day of Barboach and Whiscash - Day of Corphish and Crawdaunt - Day of Clamperl, Huntail and Gorebyss - Day of Relicanth The Reign of Celebi (7/19-7/29) - Festival of Celebi - Festival of Shiny Celebi - Festival of Shadow Celebi - Day of Bulbasaur, Ivysaur and Venusaur - Day of Caterpie, Metapod and Butterfree - Day of Weedle, Kakuna and Beedrill - Day of Bellsprout, Weepinbell and Victreebel - Day of Exeggcute and Exeggutor - Day of Tangela - Day of Tangrowth - Day of Cherubi and Cherrim The Reign of Dialga (7/30-8/9) - Festival of Dialga - Festival of Shiny Dialga - Festival of Shadow Dialga - Day of Zubat and Golbat - Day of Crobat - Day of Ekans and Arbok - Day of Grimer and Muk - Day of Scyther - Day of Scizor - Day of Ledyba and Ledian - Day of Spinarak and Ariados The Reign of Palkia (8/10-8/20) - Festival of Palkia - Festival of Shiny Palkia - Festival of Shadow Palkia - Day of Machop, Machoke and Machamp - Day of Tyrogue and Hitmontop - Day of Hitmonlee and Hitmonchan - Day of Poliwag, Poliwhirl and Poliwrath - Day of Politoed - Day of Pinsir - Day of Heracross - Day of Shroomish and Breloom The Reign of Giratina (8/21-8/31) - Festival of Giratina - Festival of Shiny Giratina - Festival of Shadow Giratina - Day of Gastly, Haunter and Gengar - Day of Misdreavus - Day of Mismagius - Day of Nincada, Ninjask and Shedinja - Day of Sableye - Day of Shuppet and Banette - Day of Duskull and Dusclops - Day of Dusknoir SEASON OF WILL (September 1 - December 30) The Reign of Azelf (9/1-9/11) - Festival of Azelf - Festival of Shiny Azelf - Festival of Shadow Azelf - Day of Drowzee and Hypno - Day of Mankey and Primeape - Day of Snubbull and Granbull - Day of Spoink and Grumpig - Day of Seedot, Nuzleaf and Shiftry - Day of Riolu and Lucario - Day of Glameow and Purugly - Day of Carnivine The Reign of Raikou (9/12-9/22) - Festival of Raikou - Festival of Shiny Raikou - Festival of Shadow Raikou - Day of Sentret and Furret - Day of Mareep, Flaaffy and Ampharos - Day of Shinx, Luxio and Luxray - Day of Pachirisu - Day of Electrike and Manectric - Day of Plusle - Day of Minun - Day of Rotom The Reign of Entei (9/23-10/3) - Festival of Entei - Festival of Shiny Entei - Festival of Shadow Entei - Day of Slugma and Magcargo - Day of Houndour and Houndoom - Day of Dunsparce - Day of Meowth and Persian - Day of Numel and Camerupt - Day of Torkoal - Day of Zigzagoon and Linoone - Day of Buneary and Lopunny The Reign of Suicune (10/4-10/14) - Festival of Suicune - Festival of Shiny Suicune - Festival of Shadow Suicune - Day of Squirtle, Wartortle and Blastoise - Day of Horsea and Seadra - Day of Kingdra - Day of Goldeen and Seaking - Day of Totodile, Croconaw and Feraligatr - Day of Chinchou and Lanturn - Day of Magikarp and Gyarados - Day of Qwilfish The Reign of Heatran (10/15-10/25) - Festival of Heatran - Festival of Shiny Heatran - Festival of Shadow Heatran - Day of Magby - Day of Magmar - Day of Magmortar - Day of Anorith and Armaldo - Day of Croagunk and Toxicroak - Day of Chimchar, Monferno and Infernape - Day of Shuckle - Day of Whismur, Loudred and Exploud The Reign of Darkrai (10/26-11/5) - Festival of Darkrai - Festival of Shiny Darkrai - Festival of Shadow Darkrai - Day of Poochyena and Mightyena - Day of Murkrow - Day of Honchkrow - Day of Sneasel - Day of Weavile - Day of Carvanha and Sharpedo - Day of Cacnea and Cacturne - Day of Absol The Reign of Rayquaza (11/6-11/16) - Festival of Rayquaza - Festival of Shiny Rayquaza - Festival of Shadow Rayquaza - Day of Gible, Gabite and Garchomp - Day of Yanma - Day of Yanmega - Day of Swablu and Altaria - Day of Aerodactyl - Day of Trapinch, Vibrava and Flygon - Day of Drifloon and Drifblim - Day of Dratini, Dragonair and Dragonite The Reign of Deoxys (11/17-11/27) - Festival of Deoxys - Festival of Shiny Deoxys - Festival of Shadow Deoxys - Day of Koffing and Weezing - Day of Porygon - Day of Porygon2 - Day of Porygon-Z - Day of Stunky and Skuntank - Day of Bronzor and Bronzong - Day of Spiritomb - Day of Skorupi and Drapion The Reign of Kyogre (11/28-12/8) - Festival of Kyogre - Festival of Shiny Kyogre - Festival of Shadow Kyogre - Day of Lapras - Day of Mudkip, Marshtomp and Swampert - Day of Wooper and Quagsire - Day of Corsola - Day of Remoraid and Octillery - Day of Mantyke - Day of Mantine - Day of Shellos and Gastrodon The Reign of Groudon (12/9-12/19) - Festival of Groudon - Festival of Shiny Groudon - Festival of Shadow Groudon - Day of Larvitar, Pupitar and Tyranitar - Day of Sandshrew and Sandslash - Day of Diglett and Dugtrio - Day of Cubone and Marowak - Day of Hippopotas and Hippowdon - Day of Phanpy and Donphan - Day of Turtwig, Grotle and Torterra - Day of Shieldon and Bastiodon The Reign of Arceus (12/20-12/30) - Festival of Arceus - Festival of Shiny Arceus - Festival of Shadow Arceus - Day of Eevee, Vaporeon, Jolteon and Flareon - Day of Espeon and Umbreon - Day of Leafeon and Glaceon - Day of Kangaskhan - Day of Ditto - Day of Kecleon - Day of Smeargle - Day of Castform - Day of Ending