22. From 160 jrs. lltno. 2 wks. 5 ds. 16 hrs. 30 min. 40 sec,
take 106 yrs. 8 mo. 3 wks. 6 ds. 13 hrs. 45 min. 34 sec.
23. What is the time from Feb. 22d, 1846, to May 21st, 1847 ?

Operation. May is the 5th month, and Feb. the 2d.
yr. mo. d. Since 22 days cannot be taken from 21 d., we

1847 " 5 " 21 borrow 1 mo. or 30 d. ; then say 22 from 51

1845 " 2 " 22 leaves 29. 1 to carry to 2 makes 3, and 3

Ans. 2 " 2 " 29 from 5 leaves 2. 5 from 7 leaves 3. Hence,

303. To find the time between two dates.
Write the earlier date under the later, placing the years on the
]eft, the number of the month next, and the day of the month on the
right, and subtract as before. (Art, 302.)

Ois. 1. The number of the month is easily determined by reckoning fiom
January, the 1st month, February the 2d, &c. (Art. 2G4.)

2, In finding the time between two dates, and in casting interest, 30 days
are ronsi'Jered a month, and 13 months a year.
