Two of Veronica’s friends: Shaun and Michael, have their birthdays today.
Veronica wants to wish them during their free-incoming-calls time-slots,
which is 11AM - 1PM according to their respective time-zones.
At what time intervals Veronica should make the calls (first to Shaun and then to Michael)
so that she is able to talk to them in their free-incoming-calls time-slots,
if the time-zone of the three are as follows:
Veronica’s time-zone: +11:00 GMT
Shaun’s time-zone: +6:00 GMT
Michael’s time-zone: +09:30 GMT
- 04:00 PM to 06:00 PM and 12:30 PM to 02:30 PM
- 06:00PM to 08:00 PM and 02:30 PM to 04:30 PM
- 08:00PM to10:00PM and 04:30 PM to 06:30 PM
- 02:00 PM to 04:00 PM and 06:30 PM to 08:30 PM