Why do prayer times differ between Malaysian states?

Prayer times are tied to the sun's position, not the clock. Subuh (Fajr) begins at true dawn, Zohor (Dhuhr) at solar noon, and Maghrib at sunset — all of which happen at slightly different clock times depending on exactly where you are on the globe.

Longitude shifts the clock time

Malaysia runs on a single time zone (GMT+8) covering roughly 8 degrees of longitude, from the west coast of the Peninsula to eastern Sabah. The sun reaches its highest point earlier in the east than the west, so Zohor in Kota Kinabalu happens noticeably earlier in clock time than Zohor in George Town — even though both are "solar noon" locally.

Latitude shifts day length

Malaysia sits close to the equator, so the effect is smaller than in countries far from it, but latitude still nudges sunrise and sunset times, especially between Peninsular Malaysia and East Malaysia (Sabah and Sarawak).

This is why zones exist

Rather than publish a separate schedule for every coordinate, JAKIM groups locations with near-identical solar timing into official zones — see how JAKIM prayer zones work for details. Picking the correct zone for your location is what keeps your prayer schedule accurate.