Business & Finance: Sol

In the true solar year are 365 days, 5 hr. 48 min., 46 sec. This is 26 seconds less than in the calendar year.* In 3,323 years the accumulated error will mount to a full day, thereby vastly confuse astronomical and historical records.

For this reason astronomers (who begin their astronomical day at noon, do not divide it into two 12-hour periods) advocate a calendar change.

But Business, not Astronomy, is the loudest and strongest change urger. For under the present irregular system, accounting is beset by problems when it tries to...