You shall hold the contact prayer at the setting of the sun, until the darkness of the night; and the Quran at dawn, the Quran at dawn has been witnessed.
Translation endnotes
[17:78] The time for evening (esha) prayer starts from the declining of the sun in the horizon and lasts until the darkness of the night. The Quran contains sufficient details about the sala prayer. See 24:58; 11:1124; 38:32.