Many branches have different working hours in ramadan timings also got chaned you can get all the info about all branches here: https://emiratesnbdswiftcode.com/
More than required 8 working hours a day
Since I worked with Payroll and Payments the month end were long but by the support of IT and our support to automation process resulted in bringing an end to long hours.
It was 12 hours a day
Working hours in each department of the bank is different from one another.
Branches has different timing depends on where they are located.
Mall branches works from 10:00 AM - 9:00 PM from Saturday to Thursday.
Most of the Branches which are located in new Dubai Zones works from 9:00 am - 4:00 pm and they are off on Saturday.
Terminal 3 Dubai airport branch works 24/7.
Back office also has different timings depend on the department
from 8 am to 5 am
Flexible working hours
The hours are ok for most people 8:00 to 16:30