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2023-03-09 02:50:10

swiftobjc on Nostr: why every culture has 7 days in a week though different calendars

why every culture has 7 days in a week though different calendars
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npub1hzx87qrmhuau9l9wl709z0ccdw4nx7pvpw4x5mxp9twh3wg3pw3svjjhe7