Since I left my old instance, this is a repost of my weekday related photography hashtag collection - now in a single post. I apologise to all of you that follow these tags and are annoyed by this. I promise I'll try to refrain to edits as much as possible from now on.

MONDAY
#FotoMontag #PhotoMonday #BlueMonday #MacroMonday #MoonDay #MoodyMonday #MonochromeMonday #MosaicMonday #MossyMonday #ManuscriptMonday #MedievalMonday #MushroomMonday #MonDog #SchmetterlingsMontag #ButterflyMonday #MuseumMonday

TUESDAY
#AstroTuesday #TattooTuesday #ThickTrunkTuesday #TombTuesday #TreeTuesday #DingsTag #TextureTuesday #TongueOutTuesday #EpigraphyTuesday #EntenDienstag #DuckTuesday

WEDNESDAY
#WaterfallWednesday #WhiskersWednesday #RoseWednesday #HadrianWallWednesday #HillsfortWednesday #MeerMittwoch #KäferMittwoch #BeetlesWednesday #WaterTowerWednesday #WaybackWednesday #MakroMittwoch

THURSDAY
#BlackAndWhiteThursday #RomanFortThursday #ThrowbackThursday

FRIDAY
#FensterFreitag #FernFriday #FlowerFriday #FridayFlowers #FlyFriday #FossilFriday #FrogFriday #FungiFriday #PhotographyFriday #WindowFriday #RuinedPrioryFriday #FieldFriday

SATURDAY
#Caturday #InsectSaturday #InsektenSamstag #RomanSiteSaturday #SchiffsSamstag #KaleidoSaturday

SUNDAY
#SilentSunday #StandingStoneSunday #SunsetSunday #SunriseSunday #SilverSunday #StairsSunday #PsychedelicSunday

If you know of more, please let me know and I'll expand the list!

Also please note some of the tags have special rules to them, e.g. #SilverSunday being for #FilmPhotography so please try to inform yourself before using them. And keep the CamelHumpNotation to help people with #ScreenReaders