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Se 21. dæg Gēolmōnðes is se 355. dæg (se 356. in hlīepgēarum) þæs gēares in þǣre Gregoriscan gerīmbēc. Heonan sind 10 belīfendra daga (11 in hlīepgēarum).

In norþern healfclīeƿen, 21. Gēolmōnþes is oft miclest dæg þæs gēares and man hit sēt sƿā fyrmest ƿinterdæg. In sūðern healfclīeƿen, 21. Gēolmōnþes is oft lengest dæg þæs gēares and līþ ofer þǣm sūðernan sumora.

20. Gēolmōnðes - 22. Gēolmōnðes - 21. Blōtmōnðes - 21. Æfterra Gēola -- getalu ealra daga

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