A sunrise, also known as dawn or sunup, occurred when a planet's sun(s) became visible in the daytime sky. (ENT: "Civilization") New light was a the word for dawn in the Vori language. (VOY: "Nemesis")
To pursue the Novan Jamin accepting the landing party from Enterprise NX-01 take his mother Nadet aboard the ship to examine her sickness and treat her, he told Jamin she would be back before the sunrise on the overside. (ENT: "Terra Nova")
A sunrise occurred during the time the landing party from Enterprise was held hostage by a commando from the Andorian Imperial Guard at the Vulcan monastery at P'Jem in June 2151. (ENT: "The Andorian Incident")
When Malcolm Reed and Travis Mayweather placed charges and created an explosion to get a core sample out of a crater on Archer's Comet in 2151, they changed the rotational axis. This caused an earlier dawn on the surface than expected and the iced surface to crack and melt. When they ignited the thrusters of Shuttlepod 1, the shuttlepod fell several meters below the surface. (ENT: "Breaking the Ice")
A line of the 20th century hip-hop song Body Movin' by the Beastie Boys said "Mom said rock it 'til the break of dawn". (Star Trek Into Darkness)
In 2285, while delivering Spock's eulogy, James T. Kirk noted that his death occurred in "the sunrise of a new world". (Star Trek II: The Wrath of Khan)
Alidar Jarok had a home near the Apnex Sea on Romulus and bemoaned never seeing the spires of his home above this sea at dawn again following his defection to the Federation in 2366. (TNG: "The Defector")
"Andevian II's moon at dawn" was a holographic program. (DS9: "The Forsaken")