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Monday is the day of the week between Sunday and Tuesday. According to the international standard ISO 8601 it is the first day of the week. The name of Monday is derived from Old English Mōnandæg and Middle English Monenday, originally a translation of Latin dies lunae "day of the Moon".
== Names ==
The names of the day of the week were coined in the Roman era, in Greek and Latin, in the case of Monday as ἡμέρᾱ Σελήνης, diēs Lūnae "day of the Moon".
Most languages use terms either directly derived from these names, or loan-translations based on them. The English noun Monday derived sometime before...