Path of the Total Solar Eclipse of 1221 May 23
Fred Espenak
Introduction
The following table delineates the path of the Moon's umbral shadow during the Total Solar Eclipse of 1221 May 23 . The geographic coordinates (WGS 84) of the northern and southern limits and the central line are listed at 120-second intervals. This provides adequate detail for making plots of the path on larger scale maps. Local circumstances on the central line include the ratio of the apparent diameters of the Moon to the Sun, the Sun's altitude and azimuth (degrees), the path width (kilometers) and the duration on the central line (minutes and seconds). See the Explanation of the Central Eclipse Path Table for a description of each column in the table.
The geographic visibility of the eclipse is shown on a global map on the Prime Page for the Eclipse which also includes complete details on the eclipse. The path of the eclipse is displayed in greater detail on an interactive Google Map .
| Total Solar Eclipse of 1221 May 23 | |||||||||||
| UT1 | Northern Limit | Southern Limit | Central Line | M:S | Sun | Sun | Path | Central | |||
| Latitude | Longitude | Latitude | Longitude | Latitude | Longitude | Ratio | Alt. | Azm. | Width | Duration | |
| Limits | 08°26.3'N | 042°15.5'E | 06°41.4'N | 043°24.7'E | 07°33.7'N | 042°50.4'E | 1.059 | 0° | - | 227 km | 02m54.7s |
| 02:54 | 11°02.7'N | 048°10.5'E | 11°42.4'N | 054°27.0'E | 11°32.7'N | 051°41.9'E | 1.062 | 10° | 70° | 242 km | 03m15.8s |
| 02:56 | 13°35.0'N | 053°13.7'E | 13°29.9'N | 057°48.0'E | 13°36.0'N | 055°38.3'E | 1.064 | 15° | 71° | 249 km | 03m26.8s |
| 02:58 | 15°21.1'N | 056°26.0'E | 14°58.1'N | 060°22.7'E | 15°11.7'N | 058°28.7'E | 1.065 | 18° | 72° | 253 km | 03m35.4s |
| 03:00 | 16°49.1'N | 058°56.1'E | 16°15.3'N | 062°32.0'E | 16°33.8'N | 060°47.2'E | 1.066 | 21° | 73° | 257 km | 03m42.7s |
| 03:02 | 18°06.6'N | 061°02.5'E | 17°25.3'N | 064°24.7'E | 17°47.3'N | 062°46.1'E | 1.067 | 24° | 73° | 260 km | 03m49.3s |
| 03:04 | 19°17.1'N | 062°53.1'E | 18°29.9'N | 066°05.5'E | 18°54.6'N | 064°31.4'E | 1.067 | 26° | 74° | 262 km | 03m55.3s |
| 03:06 | 20°22.4'N | 064°32.5'E | 19°30.3'N | 067°37.4'E | 19°57.3'N | 066°06.8'E | 1.068 | 28° | 75° | 264 km | 04m00.9s |
| 03:08 | 21°23.6'N | 066°03.3'E | 20°27.4'N | 069°02.3'E | 20°56.4'N | 067°34.4'E | 1.069 | 31° | 76° | 266 km | 04m06.2s |
| 03:10 | 22°21.5'N | 067°27.3'E | 21°21.7'N | 070°21.5'E | 21°52.4'N | 068°55.9'E | 1.069 | 32° | 77° | 267 km | 04m11.2s |
| 03:12 | 23°16.7'N | 068°46.0'E | 22°13.7'N | 071°36.2'E | 22°45.9'N | 070°12.5'E | 1.070 | 34° | 78° | 269 km | 04m16.0s |
| 03:14 | 24°09.5'N | 070°00.2'E | 23°03.5'N | 072°46.9'E | 23°37.2'N | 071°24.9'E | 1.070 | 36° | 79° | 270 km | 04m20.6s |
| 03:16 | 25°00.3'N | 071°10.6'E | 23°51.6'N | 073°54.4'E | 24°26.6'N | 072°33.8'E | 1.071 | 38° | 80° | 271 km | 04m24.9s |
| 03:18 | 25°49.3'N | 072°18.0'E | 24°38.0'N | 074°59.1'E | 25°14.3'N | 073°39.8'E | 1.071 | 39° | 82° | 271 km | 04m29.1s |
| 03:20 | 26°36.7'N | 073°22.7'E | 25°23.0'N | 076°01.4'E | 26°00.4'N | 074°43.2'E | 1.071 | 41° | 83° | 272 km | 04m33.2s |
| 03:22 | 27°22.7'N | 074°25.1'E | 26°06.7'N | 077°01.6'E | 26°45.2'N | 075°44.5'E | 1.072 | 42° | 84° | 273 km | 04m37.1s |
| 03:24 | 28°07.4'N | 075°25.5'E | 26°49.2'N | 078°00.1'E | 27°28.8'N | 076°43.9'E | 1.072 | 43° | 85° | 273 km | 04m40.8s |
| 03:26 | 28°50.8'N | 076°24.2'E | 27°30.6'N | 078°57.0'E | 28°11.2'N | 077°41.7'E | 1.072 | 45° | 86° | 273 km | 04m44.5s |
| 03:28 | 29°33.2'N | 077°21.5'E | 28°10.9'N | 079°52.5'E | 28°52.5'N | 078°38.1'E | 1.073 | 46° | 88° | 274 km | 04m48.0s |
| 03:30 | 30°14.5'N | 078°17.5'E | 28°50.2'N | 080°46.8'E | 29°32.8'N | 079°33.3'E | 1.073 | 47° | 89° | 274 km | 04m51.3s |
| 03:32 | 30°54.9'N | 079°12.4'E | 29°28.7'N | 081°40.1'E | 30°12.2'N | 080°27.4'E | 1.073 | 49° | 91° | 274 km | 04m54.6s |
| 03:34 | 31°34.4'N | 080°06.4'E | 30°06.3'N | 082°32.6'E | 30°50.7'N | 081°20.6'E | 1.074 | 50° | 92° | 274 km | 04m57.8s |
| 03:36 | 32°13.0'N | 080°59.6'E | 30°43.1'N | 083°24.2'E | 31°28.4'N | 082°13.0'E | 1.074 | 51° | 94° | 274 km | 05m00.8s |
| 03:38 | 32°50.9'N | 081°52.2'E | 31°19.1'N | 084°15.3'E | 32°05.3'N | 083°04.8'E | 1.074 | 52° | 95° | 274 km | 05m03.7s |
| 03:40 | 33°27.9'N | 082°44.1'E | 31°54.4'N | 085°05.7'E | 32°41.5'N | 083°56.0'E | 1.074 | 53° | 97° | 274 km | 05m06.6s |
| 03:42 | 34°04.2'N | 083°35.7'E | 32°28.9'N | 085°55.7'E | 33°16.9'N | 084°46.8'E | 1.074 | 54° | 99° | 274 km | 05m09.3s |
| 03:44 | 34°39.9'N | 084°26.8'E | 33°02.8'N | 086°45.4'E | 33°51.6'N | 085°37.2'E | 1.075 | 55° | 100° | 274 km | 05m11.9s |
| 03:46 | 35°14.8'N | 085°17.7'E | 33°36.0'N | 087°34.8'E | 34°25.7'N | 086°27.3'E | 1.075 | 56° | 102° | 274 km | 05m14.4s |
| 03:48 | 35°49.1'N | 086°08.4'E | 34°08.6'N | 088°23.9'E | 34°59.1'N | 087°17.2'E | 1.075 | 57° | 104° | 274 km | 05m16.8s |
| 03:50 | 36°22.7'N | 086°59.1'E | 34°40.6'N | 089°12.9'E | 35°31.9'N | 088°07.0'E | 1.075 | 58° | 106° | 274 km | 05m19.1s |
| 03:52 | 36°55.7'N | 087°49.6'E | 35°11.9'N | 090°01.8'E | 36°04.1'N | 088°56.8'E | 1.075 | 59° | 108° | 274 km | 05m21.3s |
| 03:54 | 37°28.2'N | 088°40.2'E | 35°42.7'N | 090°50.7'E | 36°35.6'N | 089°46.5'E | 1.076 | 60° | 111° | 273 km | 05m23.4s |
| 03:56 | 38°00.0'N | 089°30.9'E | 36°12.9'N | 091°39.6'E | 37°06.6'N | 090°36.3'E | 1.076 | 60° | 113° | 273 km | 05m25.4s |
| 03:58 | 38°31.2'N | 090°21.7'E | 36°42.5'N | 092°28.7'E | 37°37.0'N | 091°26.2'E | 1.076 | 61° | 115° | 273 km | 05m27.3s |
| 04:00 | 39°01.9'N | 091°12.8'E | 37°11.6'N | 093°17.8'E | 38°06.9'N | 092°16.3'E | 1.076 | 62° | 118° | 273 km | 05m29.1s |
| 04:02 | 39°32.0'N | 092°04.1'E | 37°40.1'N | 094°07.2'E | 38°36.1'N | 093°06.7'E | 1.076 | 63° | 120° | 273 km | 05m30.8s |
| 04:04 | 40°01.5'N | 092°55.8'E | 38°08.0'N | 094°56.8'E | 39°04.9'N | 093°57.3'E | 1.076 | 63° | 123° | 272 km | 05m32.3s |
| 04:06 | 40°30.4'N | 093°47.8'E | 38°35.4'N | 095°46.7'E | 39°33.0'N | 094°48.2'E | 1.076 | 64° | 126° | 272 km | 05m33.8s |
| 04:08 | 40°58.8'N | 094°40.2'E | 39°02.3'N | 096°36.9'E | 40°00.6'N | 095°39.6'E | 1.076 | 64° | 129° | 272 km | 05m35.2s |
| 04:10 | 41°26.7'N | 095°33.1'E | 39°28.6'N | 097°27.5'E | 40°27.7'N | 096°31.3'E | 1.076 | 65° | 132° | 272 km | 05m36.4s |
| 04:12 | 41°54.0'N | 096°26.6'E | 39°54.4'N | 098°18.5'E | 40°54.2'N | 097°23.5'E | 1.076 | 65° | 135° | 271 km | 05m37.6s |
| 04:14 | 42°20.7'N | 097°20.6'E | 40°19.6'N | 099°10.0'E | 41°20.2'N | 098°16.2'E | 1.077 | 66° | 138° | 271 km | 05m38.6s |
| 04:16 | 42°46.8'N | 098°15.2'E | 40°44.3'N | 100°02.0'E | 41°45.6'N | 099°09.5'E | 1.077 | 66° | 142° | 271 km | 05m39.5s |
| 04:18 | 43°12.4'N | 099°10.5'E | 41°08.5'N | 100°54.5'E | 42°10.4'N | 100°03.4'E | 1.077 | 66° | 145° | 271 km | 05m40.3s |
| 04:20 | 43°37.4'N | 100°06.5'E | 41°32.1'N | 101°47.7'E | 42°34.7'N | 100°58.0'E | 1.077 | 67° | 148° | 270 km | 05m41.0s |
| 04:22 | 44°01.9'N | 101°03.3'E | 41°55.1'N | 102°41.4'E | 42°58.4'N | 101°53.2'E | 1.077 | 67° | 152° | 270 km | 05m41.6s |
| 04:24 | 44°25.7'N | 102°00.8'E | 42°17.6'N | 103°35.8'E | 43°21.6'N | 102°49.1'E | 1.077 | 67° | 155° | 270 km | 05m42.1s |
| 04:26 | 44°48.9'N | 102°59.2'E | 42°39.5'N | 104°30.9'E | 43°44.1'N | 103°45.8'E | 1.077 | 67° | 159° | 269 km | 05m42.4s |
| 04:28 | 45°11.6'N | 103°58.5'E | 43°00.8'N | 105°26.7'E | 44°06.1'N | 104°43.3'E | 1.077 | 67° | 163° | 269 km | 05m42.7s |
| 04:30 | 45°33.6'N | 104°58.7'E | 43°21.6'N | 106°23.3'E | 44°27.5'N | 105°41.7'E | 1.077 | 67° | 166° | 269 km | 05m42.8s |
| 04:32 | 45°55.0'N | 105°59.9'E | 43°41.8'N | 107°20.7'E | 44°48.2'N | 106°40.9'E | 1.077 | 67° | 170° | 269 km | 05m42.8s |
| 04:34 | 46°15.7'N | 107°02.0'E | 44°01.3'N | 108°18.9'E | 45°08.4'N | 107°41.1'E | 1.077 | 67° | 174° | 268 km | 05m42.7s |
| 04:36 | 46°35.8'N | 108°05.2'E | 44°20.3'N | 109°18.0'E | 45°27.9'N | 108°42.2'E | 1.077 | 66° | 177° | 268 km | 05m42.5s |
| 04:38 | 46°55.2'N | 109°09.5'E | 44°38.6'N | 110°18.1'E | 45°46.7'N | 109°44.3'E | 1.077 | 66° | 181° | 268 km | 05m42.1s |
| 04:40 | 47°13.9'N | 110°14.9'E | 44°56.3'N | 111°19.0'E | 46°04.9'N | 110°47.4'E | 1.077 | 66° | 184° | 267 km | 05m41.6s |
| 04:42 | 47°31.8'N | 111°21.5'E | 45°13.3'N | 112°21.0'E | 46°22.4'N | 111°51.6'E | 1.077 | 65° | 188° | 267 km | 05m41.0s |
| 04:44 | 47°49.1'N | 112°29.2'E | 45°29.6'N | 113°24.0'E | 46°39.2'N | 112°56.9'E | 1.076 | 65° | 191° | 267 km | 05m40.3s |
| 04:46 | 48°05.6'N | 113°38.2'E | 45°45.3'N | 114°28.0'E | 46°55.2'N | 114°03.3'E | 1.076 | 64° | 194° | 267 km | 05m39.5s |
| 04:48 | 48°21.3'N | 114°48.5'E | 46°00.2'N | 115°33.2'E | 47°10.5'N | 115°10.9'E | 1.076 | 64° | 197° | 266 km | 05m38.5s |
| 04:50 | 48°36.2'N | 116°00.1'E | 46°14.4'N | 116°39.4'E | 47°25.1'N | 116°19.8'E | 1.076 | 63° | 201° | 266 km | 05m37.4s |
| 04:52 | 48°50.3'N | 117°13.0'E | 46°27.9'N | 117°46.9'E | 47°38.9'N | 117°29.9'E | 1.076 | 63° | 204° | 266 km | 05m36.2s |
| 04:54 | 49°03.5'N | 118°27.3'E | 46°40.6'N | 118°55.5'E | 47°51.8'N | 118°41.3'E | 1.076 | 62° | 207° | 265 km | 05m34.9s |
| 04:56 | 49°15.9'N | 119°43.1'E | 46°52.5'N | 120°05.3'E | 48°04.0'N | 119°54.0'E | 1.076 | 61° | 210° | 265 km | 05m33.4s |
| 04:58 | 49°27.3'N | 121°00.3'E | 47°03.6'N | 121°16.5'E | 48°15.2'N | 121°08.0'E | 1.076 | 60° | 213° | 265 km | 05m31.8s |
| 05:00 | 49°37.8'N | 122°19.0'E | 47°13.8'N | 122°28.9'E | 48°25.6'N | 122°23.5'E | 1.076 | 60° | 215° | 264 km | 05m30.1s |
| 05:02 | 49°47.3'N | 123°39.3'E | 47°23.2'N | 123°42.7'E | 48°35.0'N | 123°40.4'E | 1.076 | 59° | 218° | 264 km | 05m28.3s |
| 05:04 | 49°55.8'N | 125°01.1'E | 47°31.6'N | 124°58.0'E | 48°43.5'N | 124°58.8'E | 1.075 | 58° | 221° | 264 km | 05m26.3s |
| 05:06 | 50°03.2'N | 126°24.6'E | 47°39.1'N | 126°14.6'E | 48°50.9'N | 126°18.7'E | 1.075 | 57° | 224° | 263 km | 05m24.2s |
| 05:08 | 50°09.5'N | 127°49.7'E | 47°45.6'N | 127°32.7'E | 48°57.4'N | 127°40.2'E | 1.075 | 56° | 226° | 263 km | 05m22.0s |
| 05:10 | 50°14.7'N | 129°16.5'E | 47°51.1'N | 128°52.4'E | 49°02.7'N | 129°03.4'E | 1.075 | 55° | 229° | 263 km | 05m19.6s |
| 05:12 | 50°18.6'N | 130°45.1'E | 47°55.6'N | 130°13.7'E | 49°06.9'N | 130°28.1'E | 1.075 | 54° | 231° | 262 km | 05m17.1s |
| 05:14 | 50°21.4'N | 132°15.4'E | 47°58.9'N | 131°36.6'E | 49°10.0'N | 131°54.6'E | 1.074 | 53° | 234° | 262 km | 05m14.5s |
| 05:16 | 50°22.8'N | 133°47.7'E | 48°01.1'N | 133°01.2'E | 49°11.8'N | 133°22.9'E | 1.074 | 52° | 236° | 262 km | 05m11.8s |
| 05:18 | 50°22.9'N | 135°21.9'E | 48°02.1'N | 134°27.6'E | 49°12.4'N | 134°53.1'E | 1.074 | 51° | 238° | 261 km | 05m08.9s |
| 05:20 | 50°21.5'N | 136°58.0'E | 48°01.8'N | 135°55.8'E | 49°11.6'N | 136°25.1'E | 1.074 | 50° | 241° | 261 km | 05m05.9s |
| 05:22 | 50°18.6'N | 138°36.3'E | 48°00.2'N | 137°26.0'E | 49°09.4'N | 137°59.2'E | 1.074 | 49° | 243° | 260 km | 05m02.7s |
| 05:24 | 50°14.1'N | 140°16.7'E | 47°57.2'N | 138°58.2'E | 49°05.7'N | 139°35.4'E | 1.073 | 47° | 245° | 260 km | 04m59.4s |
| 05:26 | 50°08.0'N | 141°59.5'E | 47°52.8'N | 140°32.5'E | 49°00.5'N | 141°13.8'E | 1.073 | 46° | 248° | 259 km | 04m55.9s |
| 05:28 | 50°00.1'N | 143°44.6'E | 47°46.8'N | 142°09.2'E | 48°53.6'N | 142°54.5'E | 1.073 | 45° | 250° | 259 km | 04m52.3s |
| 05:30 | 49°50.3'N | 145°32.3'E | 47°39.2'N | 143°48.2'E | 48°44.9'N | 144°37.8'E | 1.072 | 43° | 252° | 258 km | 04m48.6s |
| 05:32 | 49°38.5'N | 147°22.8'E | 47°29.8'N | 145°29.8'E | 48°34.4'N | 146°23.7'E | 1.072 | 42° | 255° | 258 km | 04m44.7s |
| 05:34 | 49°24.6'N | 149°16.3'E | 47°18.5'N | 147°14.3'E | 48°21.8'N | 148°12.5'E | 1.072 | 41° | 257° | 257 km | 04m40.6s |
| 05:36 | 49°08.3'N | 151°13.1'E | 47°05.2'N | 149°01.8'E | 48°07.1'N | 150°04.5'E | 1.071 | 39° | 259° | 257 km | 04m36.4s |
| 05:38 | 48°49.5'N | 153°13.5'E | 46°49.7'N | 150°52.7'E | 47°50.0'N | 152°00.0'E | 1.071 | 38° | 261° | 256 km | 04m32.0s |
| 05:40 | 48°27.9'N | 155°18.0'E | 46°31.8'N | 152°47.3'E | 47°30.4'N | 153°59.4'E | 1.070 | 36° | 264° | 255 km | 04m27.3s |
| 05:42 | 48°03.2'N | 157°27.2'E | 46°11.3'N | 154°46.2'E | 47°07.9'N | 156°03.3'E | 1.070 | 34° | 266° | 255 km | 04m22.5s |
| 05:44 | 47°35.0'N | 159°41.7'E | 45°47.8'N | 156°49.9'E | 46°42.2'N | 158°12.2'E | 1.070 | 32° | 268° | 254 km | 04m17.4s |
| 05:46 | 47°02.9'N | 162°02.7'E | 45°21.0'N | 158°59.2'E | 46°12.9'N | 160°27.2'E | 1.069 | 31° | 270° | 253 km | 04m12.1s |
| 05:48 | 46°26.1'N | 164°31.5'E | 44°50.4'N | 161°15.2'E | 45°39.4'N | 162°49.3'E | 1.068 | 29° | 273° | 252 km | 04m06.5s |
| 05:50 | 45°43.8'N | 167°10.0'E | 44°15.3'N | 163°39.3'E | 45°00.8'N | 165°20.3'E | 1.068 | 26° | 275° | 250 km | 04m00.5s |
| 05:52 | 44°54.5'N | 170°01.2'E | 43°34.7'N | 166°13.7'E | 44°16.2'N | 168°02.6'E | 1.067 | 24° | 278° | 249 km | 03m54.0s |
| 05:54 | 43°56.0'N | 173°10.1'E | 42°47.3'N | 169°01.3'E | 43°23.8'N | 171°00.1'E | 1.066 | 21° | 280° | 247 km | 03m47.0s |
| 05:56 | 42°44.4'N | 176°45.4'E | 41°50.9'N | 172°07.5'E | 42°20.5'N | 174°19.4'E | 1.065 | 19° | 283° | 245 km | 03m39.3s |
| 05:58 | 41°11.0'N | 178°53.0'W | 40°41.2'N | 175°41.7'E | 41°00.7'N | 178°13.8'E | 1.064 | 15° | 286° | 243 km | 03m30.3s |
| 06:00 | 38°45.1'N | 172°34.5'W | 39°09.0'N | 179°54.0'W | 39°09.0'N | 176°40.7'W | 1.063 | 10° | 290° | 239 km | 03m18.9s |
| Limits | 35°29.5'N | 164°41.5'W | 33°48.2'N | 166°10.5'W | 34°38.8'N | 165°26.6'W | 1.059 | 0° | - | 228 km | 02m55.6s |
ΔT = 667.6 seconds
| Greatest Eclipse and Greatest Duration | ||||||||
| Event | Time TD |
Time UT1 |
Latitude | Longitude | Sun Altitude |
Sun Azimuth |
Path Width | Central Duration |
| Greatest Eclipse | 04:38:15.2 | 04:27:07.6 | 43°56.6'N | 101°30.8'E | 66.9° | 161.1° | 269.3 km | 05m42.60s |
| Greatest Duration | 04:42:13.1 | 04:31:05.5 | 44°38.9'N | 106°13.9'E | 66.8° | 168.3° | 268.7 km | 05m42.83s |
Links for the Total Solar Eclipse of 1221 May 23
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Eclipse Predictions
Predictions for the Total Solar Eclipse of 1221 May 23 were generated using the JPL DE406 solar and lunar ephemerides. The lunar coordinates were calculated with respect to the Moon's Center of Mass. Although the predictions are first calculated in Terrestrial Dynamical Time (TD), they are then converted to Universal Time (UT1) as presented here. The parameter ΔT is used to convert between the two times (i.e., UT1 = TD - ΔT). ΔT has a value of 667.6 seconds for this eclipse. The uncertainty in ΔT is 28.7 seconds corresponding to a standard error in longitude of the eclipse path of ± 0.12°.
Acknowledgments
All eclipse calculations are by Fred Espenak, and he assumes full responsibility for their accuracy.
Permission is granted to reproduce eclipse data when accompanied by a link to this page and an acknowledgment:
"Eclipse Predictions by Fred Espenak, EclipseWise.com"
The use of diagrams and maps is permitted provided that they are unaltered (except for re-sizing) and the embedded credit line is not removed or covered.