Twins born 6 minutes apart call them Twin A and Twin B for easyness Twin B is now 7 Hours and 54 Minutes older than Twin A both are still alive and they were born on GMT
How about this? Twin A was born first by 6 minutes. Twin B has now moved abroad to a country that is 8 hours in front of GMT eg Kuala Lumpur in Malaysia thereby now being 7 hours and 54 minutes older than twin A!