An Apple Watch measures the wearer’s heart rate every 10 min. It is not inconceivable of a future which includes wearables capable of passive BP monitoring at a similar interval. If we take a more extreme measurement rate of one measurement every 10 min, a single point on the display represents the average of three data points of recordings
1 week
56
3 h
Each day is represented by eight points on the display
2 weeks
56
6 h
Each day is represented by four points on the display
1 month
62
12 h
Each day is represented by two points, with a maximum of 31 days per month
2 months
62
1 day
The maximum number of days in any 2-month period is 62 (displaying July and August)
4 months
62
2 days
The maximum number of days in any 4-month period is 123
6 months
62
3 days
The maximum number of days in any 6-month period is 184
1 year
54
1 week
At most a year can have 366 days, so every point on the display could represent 6 days. However, thinking in terms of weeks is more common which would correspond to a maximum of 54 distinct weeks in a calendar year
