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Неделя 26
Номер недели ISO
Пн Июн 22 – Вс Июн 28, 2026
| Week # | Пн (Start) | Вс (End) | Охваченные месяцы | Квартал | Дней |
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Часто задаваемые вопросы
What week number is it today?
Сегодня Week -- of 2026. Недели ISO start on Понедельник and end on Воскресенье.
How are ISO week numbers calculated?
ISO 8601 defines a week as starting on Понедельник. Week 1 of a year is the week that contains the first Четверг of the year (or equivalently, the week containing Январь 4th). This means Январь 1 can sometimes be in the last week of the previous year (Week 52 or 53).
How many weeks are in 2026?
2026 has 52 Недели ISO. The year starts on Четверг, Январь 1, and ends on Четверг, Декабрь 31. Week 1 of 2026 begins on Понедельник, Декабрь 29, 2025.
What is the difference between ISO week and calendar week?
Недели ISO (ISO 8601) always start on Понедельник. In the US, calendar weeks often start on Воскресенье. This means an ISO week number may differ from a US-style week number by 1 depending on the day. OnlineCalendar.org uses ISO 8601 week numbering.
When does Week 1 of 2027 start?
ISO Week 1 of 2027 starts on Понедельник, Январь 4, 2027 — because Январь 1, 2027 falls on a Пятница, and Week 53 of 2026 covers Дек 28, 2026 – Янв 3, 2027.