![Approximate dates when the solar zenith angle reaches a minimum of 0 degrees vs latitude by CMG Lee superimposed on an equirectangular world map from http://commons.wikimedia.org/wiki/File:World_location_map.svg by STyx. The example in blue shows the dates of Lahaina Noon at Honolulu, Hawaii, USA. The red curve is obtained from the Declination of the Sun equation δ=-23.45°*cos[360°/365*(N+10)], where, δ is the Declination of the Sun in ° latitude, N is the day of the year ranging from 1 to 365.](http://upload.wikimedia.org/wikipedia/commons/0/08/Subsolar_point_date_graph.svg)
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Summary
| Description |
Approximate dates when the solar zenith angle reaches a minimum of 0 degrees vs latitude by CMG Lee superimposed on an equirectangular world map from http://commons.wikimedia.org/wiki/File:World_location_map.svg by STyx. The example in blue shows the dates of Lahaina Noon at Honolulu, Hawaii, USA. The red curve is obtained from the Declination of the Sun equation δ=-23.45°*cos[360°/365*(N+10)], where, δ is the Declination of the Sun in ° latitude, N is the day of the year ranging from 1 to 365. |
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| Author | cmglee, STyx et al |
Licensing
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File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:02, 20 June 2021 | | 512 × 158 (592 KB) | Cmglee | Add 5° latitude gridlines |
| 16:16, 20 June 2021 |  | 512 × 158 (592 KB) | Cmglee | Expand map to fill image | |
| 16:06, 20 June 2021 |  | 512 × 158 (592 KB) | Cmglee | Uploaded a work by cmglee, STyx et al from {{source thumb|world_location_map.svg}} with UploadWizard |
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