Sayyed Mohammad Al-Musawi, Sayyed Mohammad al-Musawi is originally from Iraq and heads up the World Ahlul Bayt Islamic League in London. Other than being involved in various humanitarian projects, he frequently responds to... Answered 1 year ago

Yes, because Salah is invalid before its time. If you are sure that the whole Salah was before the time, not part of it, then it should be repeated. If part of the Salah was before and part inside the time then many Ulama say that it can be valid.