File:Ancient Roman time keeping hora vigilia duration.webm
Ancient_Roman_time_keeping_hora_vigilia_duration.webm (WebM audio/video file, VP9, length 3.4 s, 400 × 418 pixels, 910 kbps overall, file size: 379 KB)
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DescriptionAncient Roman time keeping hora vigilia duration.webm |
English: Distribution of horae and vigiliae for the year AD 8 - WEBM animation. The surise and sunset times for this diagram are calculated for Forum Romanum 41°53′33″N 12°29′07″E / 41.892426°N 12.485167°E / 41.892426; 12.485167 AD 8 (the Julian calendar). Sunrise and sunset times are used as boundaries of day and night. Many sources however are ambiguous because of confusing terms sunrise with dusk and sunset with dawn. This is important, because times of dusk and dawn differ significantly from times of sunrise and sunset. The semidiameter of the sun and atmospheric refraction are taken into account. Equinoxes and solstices are computed too, not set by Romans. |
Date | |
Source | File:Ancient Roman time keeping hora vigilia duration.gif |
Author | Darekk2 |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 21:13, 7 November 2021 | 3.4 s, 400 × 418 (379 KB) | GrandEscogriffe (talk | contribs) | there. | |
20:27, 7 November 2021 | 1.7 s, 400 × 418 (205 KB) | GrandEscogriffe (talk | contribs) | twice as long | ||
19:58, 7 November 2021 | 1.7 s, 400 × 418 (205 KB) | GrandEscogriffe (talk | contribs) | Uploaded a work by Darekk2 from File:Ancient Roman time keeping hora vigilia duration.gif with UploadWizard |
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