This relationship is probably already known about but I haven't been able to find anything written about it.
Suppose A and B are days of the year.
If A and B are 99 days apart, then B and A are also 999 - 3 days apart (and +1 if it spans a leap year).
Therefore, you can choose any day of the year, add 99 + 999 - 3 days, and you will get the exact same day just 3 years later.
For example,
Oct 22/20 .... + 99 days .... Jan 29/21 .... + 999 - 3 days .... Oct 22/23.
Leap year example,
Oct 22/21 .... + 99 days .... Jan 29/22 .... + 999 - 3 + 1 days .... Oct 22/24 (LY).
Something about having all 9s and only needing to subtract 3, which mirrors the 3-year duration, is interesting.
This relationship is probably already known about but I haven't been able to find anything recorded.
Suppose A and B are days of the year.
If A and B are 99 days apart, then B and A are also 999 - 3 days apart (and +1 if it spans a leap year).
Therefore, you can choose any day of the year, add 99 + 999 - 3 days, and you will get the exact same day just 3 years later.
For example,
Oct 22/20 .... + 99 days .... Jan 29/21 .... + 999 - 3 days .... Oct 22/23.
Leap year example,
Oct 22/21 .... + 99 days .... Jan 29/22 .... + 999 - 3 + 1 days .... Oct 22/24 (LY).
Something about having all 9s and only needing to subtract 3, which mirrors the 3-year duration, is interesting.
This relationship probably already known about but I haven't been able to find anything recorded.
Suppose A and B are days of the year.
If A and B are 99 days apart, then B and A are also 999 - 3 days apart (and +1 if it spans a leap year).
Therefore, you can choose any day of the year, add 99 + 999 - 3 days, and you will get the exact same day just 3 years later.
For example,
Oct 22/20 .... + 99 days .... Jan 29/21 .... + 999 - 3 days .... Oct 22/23.
Leap year example,
Oct 22/21 .... + 99 days .... Jan 29/22 .... + 999 - 3 + 1 days .... Oct 22/24 (LY).
Something about having all 9s and only needing to subtract 3, which mirrors the 3-year duration, is interesting.
This relationship probably already known about but I haven't been able to find anything recorded.
Suppose A and B are days of the year. If A and B are 99 days apart, then B and A are also 999 - 3 days apart (and +1 if it spans a leap year).
Therefore, you can choose any day of the year, add 99 + 999 - 3 days, and you will get the exact same day just 3 years later.
For example,
Oct 22/20 .... + 99 days .... Jan 29/21 .... + 999 - 3 days .... Oct 22/23.
Leap year example,
Oct 22/21 .... + 99 days .... Jan 29/22 .... + 999 - 3 + 1 days .... Oct 22/24 (LY).
Something about having all 9s and only needing to subtract 3, which mirrors the 3-year duration, is interesting.
This relationship probably already known about but I haven't been able to find anything recorded.
Suppose A and B are days of the year. If A and B are 99 days apart, then B and A are also 999 - 3 days apart (and +1 if it spans a leap year).
Therefore, you can choose any day of the year, add 99 + 999 - 3 days, and you will get the exact same day just 3 years later.
For example,
Oct 22/20 .... + 99 days .... Jan 29/21 .... + 999 - 3 days .... Oct 22/23.
Leap year example,
Oct 22/21 .... + 99 days .... Jan 29/22 .... + 999 - 3 + 1 days .... Oct 22/24 (LY).
Something about having all 9s and only needing to subtract 3, which mirrors the 3-year duration, is interesting.
I discovered this relationship recently. It is probably already known about but I haven't been able to find anything recorded.
Suppose A and B are days of the year.
If A and B are 99 days apart, then B and A are also 999 - 3 days apart (and +1 if it spans a leap year).
Therefore, you can choose any day of the year, add 99 + 999 - 3 days, and you will get the exact same day just 3 years later.
For example,
Oct 22/20 .... + 99 days .... Jan 29/21 .... + 999 - 3 days .... Oct 22/23.
Leap year example,
Oct 22/21 .... + 99 days .... Jan 29/22 .... + 999 - 3 + 1 days .... Oct 22/24 (LY).
Something about having all 9s and only needing to subtract 3, which mirrors the 3-year duration, is interesting.
I discovered this relationship recently. It is probably already known about but I haven't been able to find anything recorded.
Suppose A and B are days of the year.
If A and B are 99 days apart, then B and A are also 999 - 3 days apart (or - 2 if it spans a leap year).
Therefore, you can choose any day of the year, add 99 + 999 - 3 days, and you will get the exact same day just 3 years later.
For example,
Oct 22/20 .... + 99 days .... Jan 29/21 .... + 999 - 3 days .... Oct 22/23.
Leap year example,
Oct 22/21 .... + 99 days .... Jan 29/22 .... + 999 - 2 days .... Oct 22/24 (LY).
Something about having all 9s and only needing to subtract 3, which mirrors the 3-year duration, is interesting.
I discovered this relationship recently. It is probably already known about but I haven't been able to find anything recorded.
Suppose A and B are days of the year.
If A and B are 99 days apart, then B and A are also 999 - 3 days apart (or - 2 if it spans a leap year).
Therefore, you can choose any day of the year, add 99 + 999 - 3 days, and you will get the exact same day just 3 years later.
For example,
Oct 22/20 .... + 99 days .... Jan 29/21 .... + 999 - 3 days .... Oct 22/23.
Leap year example,
Oct 22/21 .... + 99 days .... Jan 29/22 .... + 999 - 2 days .... Oct 22/24 (LY).
Can also be shown using 98 and 998 -1 but something about using all 9s and only needing to subtract 3, which mirrors the 3-year duration, is interesting.
I discovered this relationship recently. It is probably already known about but I haven't been able to find anything recorded.
Suppose A and B are days of the year.
If A and B are 99 days apart, then B and A are also 999 - 3 days apart (or - 2 if it spans a leap year).
Therefore, you can choose any day of the year, add 99 + 999 - 3 days, and you will get the exact same day just 3 years later.
For example,
Oct 22/20 .... + 99 days .... Jan 29/21 .... + 999 - 3 days .... Oct 22/23.
Leap year example,
Oct 22/21 .... + 99 days .... Jan 29/22 .... + 999 - 2 days .... Oct 22/24 (LY).
Can also be shown using 98 and 998 -1 but something about using all 9s and only needing to subtract 3, which mirrors the 3-year duration, is interesting.
I discovered this relationship recently. It is probably already known about but I haven't been able to find anything recorded.
Suppose A and B are days of the year.
If A and B are 99 days apart, then B and A are also 999 - 3 days apart (or - 2 if it spans a leap year).
Therefore, you can choose any day of the year, add 99 + 999 - 3 days, and you will get the exact same day just 3 years later.
For example,
Oct 22/20 .... + 99 days .... Jan 29/21 .... + 999 - 3 days .... Oct 22/23.
Leap year example,
Oct 22/21 .... + 99 days .... Jan 29/22 .... + 999 - 2 days .... Oct 22/24 (LY).
Can also shown using 98 and 998 -1 but something about using all 9s and only needing to subtract 3 is interesting.
I discovered this relationship recently. It is probably already known about but I haven't been able to find anything recorded.
Suppose A and B are days of the year.
If A and B are 99 days apart, then B and A are also 999 - 3 days apart (or - 2 if it spans a leap year).
And therefore, A (and any other day for that matter) are separated from their 3-year-later counterparts by 99+999-3 days.
For example,
Oct 22/20 .... + 99 days .... Jan 29/21 .... + 999 - 3 days .... Oct 22/23.
Leap year example,
Oct 22/21 .... + 99 days .... Jan 29/22 .... + 999 - 2 days .... Oct 22/24 (LY).
Can also shown using 98 and 998 -1 but something about using all 9s and only needing to subtract 3 is interesting.
I discovered this relationship recently. It is probably already known about but I haven't been able to find anything recorded.
Suppose A and B are days of the year.
If A and B are 99 days apart, then B and A are also 999 - 3 days apart (or - 2 if it spans a leap year).
And therefore, A (and any other day for that matter) are separated from their counterparts 3 years later by 99+999-3 days.
For example,
Oct 22/20 .... + 99 days .... Jan 29/21 .... + 999 - 3 days .... Oct 22/23.
Leap year example,
Oct 22/21 .... + 99 days .... Jan 29/22 .... + 999 - 2 days .... Oct 22/24 (LY).
Can also shown using 98 and 998 -1 but something about using all 9s and only needing to subtract 3 is interesting.
I discovered this relationship recently. It is probably already known about but I haven't been able to find anything recorded.
Suppose A and B are days of the year.
If A and B are 99 days apart, then B and A are also 999 - 3 days apart (or - 2 if it spans a leap year).
For example,
Oct 22/20 .... + 99 days .... Jan 29/21 .... + 999 - 3 days .... Oct 22/23.
Leap year example,
Oct 22/21 .... + 99 days .... Jan 29/22 .... + 999 - 2 days .... Oct 22/24 (LY).
Can also shown using 98 and 998 -1 but something about using all 9s and only needing to subtract 3 is interesting.