172 U. $. COAST AND GEODETIC SURVEY 
Table 5.—Differences to adapt table 4 to any month, day, and hour of 
Greenwich mean civil time 
DIFFERENCES TO FIRST OF EACH CALENDAR MONTH OF COMMON YEARS! 
Month s Dp h P1 N Month s p h D1 N 
° °o ° ° ° ° ° ° ° ° ° 
Jan. 1 0. 00 0. 00 0.00 0. 00 0.00 || July 1 | 224.93 | 20.16 | 178.40 0.01 —9. 58 
Feb. 1 48. 47 3.45 | 30. 56 0. 00 —1.64 || Aug. 1 | 273.40 | 23.62 | 208.96 0.01 | —11. 23 
Mar. 1] 57.41 6.57 | 58.15 0.00 | —3.12 || Sept. 1 | 321.86 | 27.07 | 239. 51 0.01 | —12.87 
Apr. 1) 105.88} 10.03] 88.71 0. 00 —4.77 || Oct. 1 | 357.16 | 30.41 | 269.08 0.01 | —14. 46 
May 1 | 141.17 13. 37 | 118. 28 0.01 —6.35 || Nov. 1| 45.62 | 33.87 | 299.64 0.01 | —16.10 
June 1 | 189.64 16.82 | 148.88 0.01 —8.00 || Dec. 1 | 80.92 37.21 | 329.21 0.02 | —17. 69 
Day 8 p h Pi N Day 8 p h P1 N 
°o ° ° ° ° °o ° ° ° ° 
1 a eee 0. 00 0. 00 0. 00 0. 00 OXO0R ive 210. 82 1. 78 15.77 0. 00 —0.85 
Oe 13. 18 0.11 0.99 0.00 |} —0.05 |} 18____-- 224. 00 1.89 16. 76 0.00 | —0.90 
Ce eae 26. 35 0. 22 1.97 0.00 — O'S pL Ose=— a= 237. 18 2.01 17. 74 0. 00 —0. 95 
39. 53 0. 33 2. 96 0. 00 —0. 16 2.12 18. 73 0.00 —1.01 
52.71 0. 45 3.94 0. 00 —0,. 21 2. 23 19. 71 0. 00 —1. 06 
65. 88 0. 56 4.93 0. 00 —0. 26 2.34 | 20.70 0. 00 —1.11 
79. 06 0. 67 5.91 0. 00 —0. 32 2.45 | 21.68 0.00 —1.16 
92. 23 0. 78 6.90 0. 00 —0. 37 2. 56 22. 67 0. 00 —1, 22 
105. 41 0. 89 7. 89 0. 00 —0. 42 2.67 | 23.66 0. 00 —1,27 
10___.-__| 118. 59 1.00 8. 87 0.00 —0. 48 2.79 24. 64 0. 00 —1.32 
Ati eee ee 131. 76 1,11 9. 86 0. 00 —0. 53 2.90 25. 63 0. 00 —1.38 
QB 144, 94 1, 23 10. 84 0. 00 —0. 58 3. 01 26. 61 0.00 —1. 43 
1 eee 158. 12 1, 34 11, 83 0. 00 —0. 64 3.12 | 27.60 0. 00 —1. 48 
4a 171. 29 1,45 12.81 0. 00 —0. 69 3. 23 28. 58 0.00 —1. 54 
peers 184. 47 1. 56 13. 80 0.00 —0. 74 3. 34 29. 57 0. 00 —1. 59 
V6 SoS 197. 65 1, 67 14, 78 0. 00 —0. 79 3. 45 30. 56 0. 00 —1. 64 
Hour s p h Pi N Hour s p h Di N 
°o ° ° ° ° ° ° ° ° ° 
Qu aeee 0. 00 0. 00 0. 00 0. 00 OX00) ||P 2e=== 6. 59 0. 06 0. 49 0. 00 —0.03 
ek os 0. 55 0. 00 0. 04 0. 00 0500713 2=22== 7. 14 0. 06 0. 53 0. 00 —0. 03 
Dis eee = 1.10 0. 01 0. 08 0. 00 0.00 || 14._---- 7. 69 0. 06 0. 57 0. 00 —0. 03 
Oe SS 1. 65 0.01 0.12 0. 00 —0.01 || 15__-___- 8. 24 0. 07 0. 62 0. 00 —0. 03 
(ieee 2. 20 0. 02 0. 16 0. 00 —0.01 |} 16__--_- 8. 78 0. 07 0. 66 0. 00 —0. 04 
O8seeott 2.75 0. 02 0. 21 0. 00 —ONO1 |} 07_----= 9. 33 0. 08 0. 70 0.00 | —0.04 
62 ae se 3. 29 0. 03 0. 25 0. 00 —0.01 182202 9. 88 0. 08 0. 74 0. 00 —0. 04 
(eae 3. 84 0. 03 0. 29 0. 00 —0. 02 || 19______ 10. 43 0. 09 0. 78 0. 00 —0. 04 
(ae eee 4.39 0. 04 0. 33 0.00 | —0.02 |} 20__-._- 10. 98 0. 09 0. 82 0.00 | —0.04 
9A sos 53 4.94 0. 04 0. 37 0. 00 —0.02 || 21_____- 11. 53 0. 10 0. 86 0. 00 —0.05 
102222222 5.49 0. 05 0. 41 0. 00 —0.02 || 22____-. 12. 08 0. 10 0. 90 0. 00 —0.05 
Ves 6. 04 0. 05 0. 45 0. 00 —0. 02 || 23___-__ 12. 63 0.11 0. 94 0. 00 —0.05 
_.1 The table may also be used directly for dates between Jan. 1 and Feb. 29, inclusive, of leap years; but 
if the required date falls between Mar. 1 and Dec. 31, inclusive, of a leap year, the day of month should be 
increased by one before entering the table. 
