salaah time

Q: Can I pray without ghusl because I was stuck in a situation that at that time I was short of time, i.e. if I do ghusl I will miss Salah. Can I pray by just doing wudu?

Q:

1. If the asr time starts at 3.57 and sun sets is at 5.32, what is the mustahab time to perform asr and when does the makrooh time start?

2. If fajr starts at 5.25 and magrib starts at 5.34 what is the mustahab time to pray esha?

3. My salah app shows that sehri or tahajjud time ends at 5.16 and fajr starts at 5.25, Can I pray tahajjud between this time? 

Q: If salah was delayed nearing to the end of its time and the takbeer for commencing the salah was made within the time, for example within dhuhr time, however, the salah was completed when asr time set in then will the salah be counted as a qadha salah or will it officially count and also will this count as missing salah within its time thus meaning one is sinful or will it be sinful for other reasons such as the sin for delaying and is there a difference in severity between these two sins?

Q: If I was away from home and after reaching home, I saw that my period started and it's the makrooh time of asr salaah, then do I have to make qazaa of this asr salaah after becoming paak?

Q: I normally read the esha prayers at the masjid and then come home and delay the sunnah and 3 witr until after midnight. Is it okay to read it so late? If not what is the latest time it can be read?

Q: If a wajib is left out in Fardh salah, Witr Wajib salah like dua e Qunoot or sunnat and nafl salah, is it compulsory to repeat the salah after the salah time has expired?

Q: Please advise on the following:

1. When exactly around maghrib time is it not advisable to go outside?

2. Is there anything about not going outside after fajr until after ishraaq or is it okay to walk outside after fajr?