One week is a period of seven consecutive days, typically running from Sunday to Saturday or Monday to Sunday, totaling 168 hours.
Complete Definition of a Week
Exact Measurements:
- Days: 7 consecutive days
- Hours: 168 hours (7 × 24)
- Minutes: 10,080 minutes
- Seconds: 604,800 seconds
Common Week Structures
Calendar Week:
- Starts on Sunday or Monday (depending on country)
- Ends on Saturday or Sunday
- Used for general date reference
Business Week:
- Typically Monday through Friday
- 5 working days
- Excludes weekend
Important Facts:
- A year contains approximately 52 weeks (52.14 weeks exactly)
- Some months have 4 complete weeks, others have parts of 5 weeks
- The concept has remained unchanged for thousands of years
- ISO 8601 standard defines Monday as the first day of the week