Boston, U.S. Chicago.. Dublín. Edinburgh Glasgow Lisbon Madrid. New Moon 22 5 32 August. Aft. Aft. Full Moon 3d.roh.47m. Aft. November. Full Moon 2d. 3h. 18m. Aft. December. Full Moon zd, 6h. 38m. Morn. June. September. Morn. Lst. Quart 9 9 Morn. Morn. New Moon 16 30 Aft. Fst. Quart 24 5 21 Morn. 31 Aft. H. M. 7 16 A.M. Quebec н. м. 7 15 A.M. Calcutta Н. М. 5 53 P.M. Pekin 6 10 A. M. San Francisco Port 3 52 A.M. Cape of Good Hope 1 14 P.M. Perth, W. Aust. 11 47 A.M. Vancouver ........ 3 38 A.M. Florence ... 9 14 P.M. Hobart, Tasmania 9 49 P. M. Rome.. 2 21 P.M. Rotterdam 5 21 P.M. St. Petersburg o 58 P.M. Stockholm 4 51 P.M. Melbourne, Aust.. 9 40 P.M. Suez .11 37 A.M. Brisbane, Qnsland.10 12 P.M. Moscow.. a 30 P.M. Sydney Philadelphia...... 6 59 A.M. Brussels ... o 17 P.M. Paris.. o 9 F.M. Vienna Penzance Variation of Time depends upon Longitude; every Degree East of Greenwich is four minutes earlier, and every Degree West four minutes later. Note the variations in the U.S. or in British America. Greek and Russian Calendar. NEW STYLE. Jan. 13 18 Feb. 14 Mar. 4 OLD STYLE. Jan. 1 6 Feb. 2 Theophany (Epiphany) Hypapante (Purification) 27 First Sunday in Lent Mar. 2 Accession of the Emperor' Forty Martyrs 14 21 25 Annunciation of Theotokos. April 10 Palm Sunday.. 15 Great Friday (Good Friday) 17 Holy Pasch (Easter Day) 23 St. George 11 22 27 29 The Days of the Roman Month. In the Roman (Julian) Calendar the months corresponded exactly with our own, excepting that down to the time of the great Emperor Augustus, the fifth and sixth months of the year-which, with the Romans, began with March--were called Quintilis and Sextilis; afterwards they were named in honour of the emperors Julius and Augustus. In reckoning the days of each month three fixed April 6 points were taken, and any particular day was said to be so many days before the next coming fixed day. These three points were (1) the Kalends, by which name the first of each month was known; (2) the Nones, which fell on the seventh day of the month in March, May, July, and October, and on the fifth day in each of the other months; and the Ides, which always fell eight days after the Nones. May 5 21 27 7 17 May 9 St. Nicolas June 6 Holy Ghost 29 Peter and Paul, Chief Apostles July 11 Aug. 1 First day of Fast of Theotokos 6 Transfiguration 18 Aug. 13 15 Repose of Theotokos (Assumption) 30 St. Alexander Nevsky* Sept. 8 Nativity of Theotokos 18 27 Sept. 11 For example, the 1st of January was the Kalends of January (Kalendis Januariis), the 31st of December was the day before the Kalends of January (pridie Kalendas Januarias); but Dec. 30th was the third day before the Kalends of January (die tertio ante Kalendas Januarias), in this case both Jan. 1st and Dec. 31st being included in the reckoning. And so on back to Dec. 14th, which was the nineteenth day before the January Kalends (die undevicesimo ante Kal. Jan.), Dec. 13th being Idibus Decembribus, the Ides of December. In Leap-year, both Feb. 24th and Feb. 25th were known as the sixth day before the March Kalends, being distinguished respectively as prior and posterior. To use this Table, take the Sun's declination in the left-hand column, and under the required latitude on the horizontal line will be found the apparent time of Sunset. Subtract the quantity found as above from 12h., and the remainder will be the apparent time of Sunrise. This Table is arranged for Northern latitudes, but will serve equally well for Southern by changing the declination from North to South, and vice versâ. Should the Sunrise and Sunset be required for any other latitude and declination within the limits of the Table, the required times may be easily found by proportion. 68 Tables for Determining the Latitude FROM OBSERVATIONS OF THE ALTITUDE OF THE POLE STAR 10 30 11 O 10 0 0 0 0 30 50 80 100 13 C 17 4 O O 20 0 240 290 34 0 41 0 50 1 2 1 19 22 0 1 2 22 30 0 44 23 0 0 22 0 29 23 30 1 o 20 20 30 30 40 50 60 70 80 10 0 12 0 16 24 O The local mean time of the observed altitude, when reduced to the corresponding Greenwich mean time, may be converted into sidereal time by means of the table on the next page. It will be observed that the sign on the left-hand side of the correction in Table I. is to be used when the argument is on the left, and vice versa; + means that the correction is to be added to the reduced altitude, and that it is to be subtracted. The corrections derived from the double-entry Tables II. and III. are always added. In order to make the quantities taken out from Table III. additive they have been increased by 1'; this quantity must therefore be taken away from the final result. TABLE III. (1894.) Sidereal Jan. 1. Feb. 1. Mar. 1. Apr. 1. May 1. June 1. July 1. Aug. 1. Sept. 1. Oct. 1. Nov. 1. Dec. 1. Dec. 31. TO CHANGE INTERVALS OF MEAN SOLAR TIME INTO THE EQUIVALENT INTERVALS OF SIDEREAL TIME. To obtain the Sidereal Time corresponding to any given Mean Time, by means of the above tables, all that is required is to take the Sidereal Time at the preceding Mean Noon (which will be found on the second page of each month) and add to it the Sidereal Equivalents opposite to the hours, minutes, and seconds of the given Mean Time. If the sum of these numbers comes out more than twenty-four hours, twenty-four hours must be subtracted from it. For example: Let it be required to find the Sidereal Time corresponding to the Mean Time 21h. 15m. 30s, on November 2: Н. М. 6. 14 46 59 15 2:46 Corresponding Sidereal Time 12 5 58:53 = This table may also be used to show the acceleration of Sidereal on Mean Solar intervals, by subtracting the Mean Time arguments from their Sidereal Equivalents. |