NEW ZEALAND TIME SERVICE ARRANGEMENTS

New Zealand Times, Volume XXXVIII, Issue 8737, 20 May 1914, Page 2

NEW ZEALAND TIME SERVICE ARRANGEMENTS

The Hector Observatory, AVelldngton, N.Z., May Ist, 1914. The following notice is published for general information, and supersedes uctico No. 1 of February 26tb, 1912, published in the “New Zealand Gazette” of February 29th. 1912. C. E. ADAMS, Government -Vstrouomer. POSITION OF TRANSIT INSTRUMENT. Tho adopted position of the transit instrument at the Hector Observatory, Wellington, is longitude llh 39m 4.27 s east of Greenwich, latitude 41deg 17m 3.76 s south; height, 418 ft above 1909 mean eea level. TIME SERVICE. 1. ACCURATE TIME SIGNALS. On days when accurate timo signals are given, the Hag T of tho international code will bo hoisted on the Observatory flagstaff about midday. (a.) When the flag is flying, ■ chronometers may be compared with a galvanometer in the. public telegraph office, Feathersbon street. This galvanometer is controlled by the Observatory clock, and is deflected every hour of New Zealand moau time. (b.) Timo signals are given by three electric lights erected on the Observatory flagstaff. Tho bottom light i,s green, and is 30ft above the ground; tho middle light is red, and is 36ft above tho ground; the top light is white, and is 42ft above tho ground. The green light is shown at 50 minutes, the red light at 10 minutes, and the white light at 5 minutes to the hour; all three lights are extinguished eimultaneouslv at tho hour. The .switch-ing-on of the lights must be considered as only approximately correct; the correct time is given by switching off the fhreo lights. This signal is given at 8, 9. 10 and II p.m. of New Zealand mean time. The corresponding Greenwich moau time (counted from noon) and New Zealand civil moan time (counted from midnight) of these signals are as under:

’"'Approximate. fTime signal. 4nd similarly at each succeeding hour until 23h 30m G.M.T. 2. APPROXIMATE TIME SIGNALS. When owing to bad weather or other causes accurate time signals cannot be given approximate ones will bo given; but in these cases the flag will not be hoisted and tho green light will not bo shown. On application to the Observatory the error of these signals can usually bo obtained. 3 TIME SIGNALS BY TELEPHONE AND BY TELEGRAPH. Arrangements can usually be made to give time .signals by telephone or by telegraph to any part of the Dominion on application being made to the Observatory. _____________

G.M.T. N.Z.C.H.T. h. 111. s. h. m. Green switched on 19 40 0 19 10 0* Tied switched on... 20 20 0 19 50 Wliite switched on 20 25 0 19 55 0* All switched out... 20 30 0 20 0