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Earth's History- Geologic Time Scale Round Clock
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California Residents: Prop 65 Disclaimer
WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.About This Design
Earth's History- Geologic Time Scale Round Clock
Ugh, is it the Cenozoic yet? This fun geologist's wall clock functions as a normal clock, but features the geologic time scale instead of the hours! Starting with the formation of the Earth at 4.54 billion years ago at 12:00, this clock takes you through the four eons of Earth's history (Hadean to Archean to Proterozoic to Phanerozoic), with the latter one divided into the Paleozoic, Mesozoic, and Cenozoic eras. The actual daily time is not numbered, but the hours and minutes are marked by tickmarks on the outer edge. (The numbers are updated to be current as of 2026... e.g., the Paleozoic era now starts at 539 Ma!)
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4.7 out of 5 stars rating3.4K Total Reviews
3,426 Reviews
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5 out of 5 stars ratingBy AnonymousMarch 11, 2025 • Verified Purchase
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Love the clock it's exactly as pictured. I love that it's made in America. So far it keeps perfect time and is quiet.
5.0 out of 5 stars rating
5 out of 5 stars ratingBy Patricia S.December 11, 2025 • Verified Purchase
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Very pleased with purchase. Very happy it was available. One of my favorites. It more than a clock, it's a photo. Fast and secure shipping. Thank you.
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5 out of 5 stars ratingBy Ellen R.February 12, 2024 • Verified Purchase
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Zazzle Reviewer Program
The reproduction of my art was excellent, the clocks are simple, easy to hang and are attractive. Just would like to order more at the discount I had! The printing was excellent. I couldn't ask for better. The colors were spot on to the image of my painting, "Never Alone".
My pic does not at all do the clock(s) justice. They're wonderful - or were. I sold all in my studio within 24 hours!
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Product ID: 256803957173516115
Created on: 8/27/2026, 8:23 PM
Rating: G