Calendar Planning T-Shirts

Bring fun to their wardrobe! Our calendar planning-inspired t-shirts offer a witty, stylish way for enthusiasts to showcase their love for organization and planning.

Sadie, I just heard something disturbing, and I think you're the only one who can tell me whether it's true. Youtube is telling me we've lived 300 years of phantom time. Pope Gregory XIII's math was off when he created our calendar, and this is actually the year 1717. What's more, the "Middle Ages" is just a fiction the pope created to explain his rounding error. You were there, Sadie ... Did King Arthur really exist? I'll tell you all about that nice boy, as soon as I demonstrate how we dealt w
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Sadie, I just heard something disturbing, and I think you're the only one who can tell me whether it's true. Youtube is telling me we've lived 300 years of phantom time. Pope Gregory XIII's math was off when he created our calendar, and this is actually the year 1717. What's more, the "Middle Ages" is just a fiction the pope created to explain his rounding error. You were there, Sadie ... Did King Arthur really exist? I'll tell you all about that nice boy, as soon as I demonstrate how we dealt w

from $29.00

Calendar Planning T-Shirts Collection

Calendar Planning Mugs

Explore our collection of mugs perfect for calendar planners who love to start each day with a smile and a sip of humor.

Calendar Planning Pillows

Check out our comfortable pillows that add personality and motivation to any workspace for calendar lovers.

Calendar Planning Prints

Explore inspiring prints that celebrate the art of planning and keep your space lively and motivational.