Trofannau
Y trofannau yw'r rhannau o'r byd sydd rhwng 23°30' (23.5°) i'r gogledd a 23°30' (23.5°) i'r de o'r gyhydedd.
Yn yr ardaloedd hyn mae'r haul union uwchben o leiaf unwaith y flwyddyn.
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| Enghraifft o'r canlynol | rhanbarth  |
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| Math | climate zone |
 Ffeiliau perthnasol ar Gomin Wicimedia | |
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