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| English | Russian |
| at sunset-to-sunrise time | в тёмное время суток (Irina Tigal) |
| from sunset to sunrise | от зари до зари |
| sunrise to sunset | светлое время суток (During the time lights are not required (normally sunrise to sunset), red flags or reflectors with mounted flags should be placed at the distances prescribed for night. 4uzhoj) |
| sunset to sunrise | тёмное время суток (During the time that lights are required (sunset to sunrise) and when forward visibility is reduced to 500 feet or less, .... 4uzhoj) |