Your prayer is valid and it was done barely on time.

Due to some reason i was late for dhur prayer and the time was about to end but still i started with fard salah of dhur and after one rakat adhaan of Asar started but still i completed my salah , so does my salah becomes invalid.

Prayer | March 25, 2014 4:47 am
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I go to Masjid where on the Friday people are given time for 4 rakat sunnah before khutbha and all the people stand up except 1 or 2 including me. At that time I feel like odd man out. What is your advice in this situation? should I also pray or not?
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Whether we can combine and shorten Asr prayer with Jumma ( Friday ) prayer while travelling. ( Pray the 2 rakah of Jumma with the Imam followed by 2 Rakah of Asr by ourselves)