Calendar Week Numbers (ISO 8601) is a free calendar you can subscribe to on Nundina, with 80 dates listed. Data from ISO 8601. Subscribe to it on Nundina and every date lands in your own calendar, updated automatically.
One all-day marker every Monday giving the ISO 8601 calendar week number ('Week 43'), for planning, billing and sprints by calendar week. Weeks start on Monday and week 1 is the week containing 4 January.
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