ANSWER:

If you want to sit down, you must pray it. Otherwise, no problem in standing. 

Sheikh if I’m offering sunnah prayer of fajr at home and going to the masjid and yet some minutes are left for jamat then do I have to pray tahiyatul masjid?

Prayer | July 10, 2018 4:01 am
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Is it true dat the place whr v do sujood while offering namaz, give witness dat v have prayed der on th day of judgement. or is der anythin lik dat. plz clarify.