- After merging with Ha Tay, Hanoi (capital) is the largest province in Vietnam

- +7:00 (North Vietnam and All Vietnam since 1975) timezone has been the longest unified timezone ever, compared to Asia/Saigon, Asia/Ho_Chi_Minh (modified many times)

I would like to suggest adding a timezone for Hanoi or changing the name from Asia/Ho_Chi_Minh to Asia/Hanoi as the official timezone for Vietnam.

Having the same article should be considered