4 PRINCE EDWARD ISLAND CALENDAR.

Morning and Evening Stars-

_ Mercury will be a Morning Star until the 10th Janu- ' ' ary; then an Evening Star until the 1st June; a Morn- _ ing Star until the 10th September, and an Evening Star the remainder of the year. ‘

Venus will be an Evening Star until 8th May; then a , Morning Star the rest of the year. . Mars will be an Evening Star until 5th June; then ' Morning Star until the c10se of'the year. Jupiter will be an Evening Star until 12th April, then ' a Morning Star the rest of the year. " : Saturn will be an Evening Star until 9th July, and a ' { Morning Star until the end ofthe year. '

ECLIPSES. . , In the Year 1857 there will be two Eclipses, bothof 2 the Sun,—~l. A. Total Eclipse of the Sun, March 25th I visible in parts of Australia, North and South Pacific, I Western Districts of North America, Isthmus of' Panama, ' N. W. Coast of South America, &c. ‘2. An Annular Eclipse of the Sun, September 17, visible in parts of Africa and Asia, China, Indian Ocean, Australia, North Pacific, &c. _.

Chronological Cycles, 6w-

Golden Number 15 Dominical Letter D :

Epact 4 Roman Indiction 15 1 Solar Cycle 18 Julian Period 6570

The Year 56l8 of the Jewish Era commences on Sept. _ > 19, 1857. - ' Ramadan (month of Abstinence observed by the Turks)

commences on April 25, 1857. The year 1274 of the Mahommedan Era commences :

, Aug, 12, 1857. Commencement of the Seasons.

SPRING begins March ‘20. AUTUMN begins Sept. 22. SUMMER “ June 21. VVINTER “ Dec. ‘21.

Twas—La Place pronounces the formula for deducing the tides the most diflicult problem of celestial mechanics. . ‘ It sometimesnhappens that the tide comes in several hours ,- later or {earlier than the most learned calculation would determine; and this in consequence of the strength and direction of the wind, which the calculator cannot reckon ; upon.

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