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Appendix Four: Angles of Declination and Altitude for Cairo, Egypt
Table A4.1. Angles of declination and altitude at latitude 30° N corresponding to Cairo
| Time of Day | 21 June Summer Solstice | 21 March or 21 September Equinoxes | 21 December Winter Solstice | |||
| Angle of Declination to the North | Angle of Altitude | Angle of Declination to the North | Angle of Altitude | Angle of Declination to the North | Angle of Altitude | |
| 5:03 | 62°40' | Sunrise- zero | ... | ... | ... | ... |
| 6:00 | 69°24' | 11°27' | 90°00' | Sunrise- zero | ... | ... |
| 7:00 | 75°42' | 23°51' | 97°24' | 12°57' | 117°20' | Sunrise- zero |
| 8:00 | 81°48' | 36°35' | 106°53' | 25°40' | 125°50' | 11°27' |
| 9:00 | 88°13' | 49°30' | 116°27' | 37°45' | 135°24' | 21°18' |
| 10:00 | 96°34' | 62°28' | 130°00' | 48°36' | 148°36' | 29°18' |
| 11:00 | 112°34' | 75°05' | 151°11' | 56°43' | 163°15' | 34°40' |
| 12:00 | 180°00' | 83°26' | 180°00' | 60°00' | 180°00' | 36°34' |
| 13:00 | 247°56' | 75°05' | 208°49' | 56°43' | 196°45' | 34°40' |
| 14:00 | 263°56' | 62°28' | 230°00' | 48°36' | 211°24' | 29°18' |
| 15:00 | 271°77' | 49°30' | 243°33' | 37°45' | 224°06' | 21°18' |
| 16:00 | 278°12' | 36°25' | 253°07' | 25°40' | 234°10' | 11°27' |
| 17:00 | 284°18' | 23°51' | 262°36' | 12°57' | 242°40' | Sunset at 16:57 |
| 18:00 | 290°66' | 11°27' | 270°00' | Sunset-zero | ||
| 18:58 | 279°20' | Sunset-zero |