Where in the world, other than newfound land, is standard time on the half hour other than the hour

French Polynesia, Marquesas Islands: UTC -9:30

Myanmar: UTC +6:30

Iran: UTC +3:30 / +4:30

Afghanistan: UTC +4:30

Sri Lanka: UTC +5:30

Cocos (Keeling) Islands: UTC +06:30

Lord Howe Island: UTC +10:30 / +11:00

Broken Hill: UTC +9:30 / +10:30

South Australia: UTC +9:30 / +10:30

Northern Territory: UTC +9:30

India: UTC +5:30

answer called a epicycle;