MYT to HST Time Converter
HST is 18 hours behind MYT. MYT is UTC+8:00, and HST is UTC-10:00.
Best Time to Call Between MYT and HST
Both zones are inside normal business hours between 9:00 AM and 11:00 AM MYT — that's 3:00 PM to 5:00 PM HST. That's a 2-hour window.
both at work MYT only HST only neither — hours along the strip are MYT.
Common Times Converted
MYT on the left, HST on the right.
MYT to HST: Full 24-Hour Conversion Table
Shaded rows are working hours; the darker shade marks the hours when both zones are at work.
| MYT | HST | Working hours |
|---|---|---|
| 12:00 AM | 6:00 AM prev day | — |
| 1:00 AM | 7:00 AM prev day | — |
| 2:00 AM | 8:00 AM prev day | — |
| 3:00 AM | 9:00 AM prev day | HST only |
| 4:00 AM | 10:00 AM prev day | HST only |
| 5:00 AM | 11:00 AM prev day | HST only |
| 6:00 AM | 12:00 PM prev day | HST only |
| 7:00 AM | 1:00 PM prev day | HST only |
| 8:00 AM | 2:00 PM prev day | HST only |
| 9:00 AM | 3:00 PM prev day | Both zones |
| 10:00 AM | 4:00 PM prev day | Both zones |
| 11:00 AM | 5:00 PM prev day | MYT only |
| 12:00 PM | 6:00 PM prev day | MYT only |
| 1:00 PM | 7:00 PM prev day | MYT only |
| 2:00 PM | 8:00 PM prev day | MYT only |
| 3:00 PM | 9:00 PM prev day | MYT only |
| 4:00 PM | 10:00 PM prev day | MYT only |
| 5:00 PM | 11:00 PM prev day | — |
| 6:00 PM | 12:00 AM | — |
| 7:00 PM | 1:00 AM | — |
| 8:00 PM | 2:00 AM | — |
| 9:00 PM | 3:00 AM | — |
| 10:00 PM | 4:00 AM | — |
| 11:00 PM | 5:00 AM | — |
What MYT and HST Actually Are
MYT — Malaysia Time
Kuala Lumpur, George Town, Johor Bahru, Kuching. Standing at UTC+8:00 as written, and the region does not change its clocks, so that offset holds all year.
Malaysia unified peninsular and East Malaysian time onto a single UTC+8 clock in 1982, and Singapore followed the same year to stay in step.
HST — Hawaii Standard Time
Honolulu and the rest of Hawaii. Standing at UTC-10:00 as written, and the region does not change its clocks, so that offset holds all year. Hawaii does not observe daylight saving, so this offset holds all year.
Hawaii dropped daylight saving in 1967 and never resumed it. Being close to the equator, its daylight barely varies across the year, so there is little to gain.
What This Means in Practice
The date changes mid-working-day
For 8 of the eight hours in a normal MYT working day, the equivalent HST time falls on a different calendar date. Anything scheduled in that stretch needs the date checked as well as the time, or a Tuesday call quietly becomes a Wednesday one at the other end.
A gap you can rely on
Neither region changes its clocks, so this difference holds every day of the year. A recurring meeting booked once stays correct — worth knowing, because most cross-border pairs cannot say that.
Nearly opposite sides of the clock
At 18 hours apart, one side's morning is the other side's night. Handing work over at the end of a shift usually beats trying to get both parties in the same call.
Major Cities in Each Zone
Cities on MYT
Cities on HST
Frequently Asked Questions
What is the time difference between MYT and HST?
HST is 18 hours behind MYT.
What is 9:00 AM MYT in HST?
9:00 AM MYT is 3:00 PM the previous day HST.
What are the best hours to schedule a call between MYT and HST?
Between 9:00 AM and 11:00 AM MYT, which is 3:00 PM to 5:00 PM HST. Both sides are inside normal business hours through that window.
Does the difference between MYT and HST change during the year?
No. Neither region changes its clocks, so this gap is fixed all year round.
Does HST always mean Hawaii Standard Time?
Hawaii does not observe daylight saving, so this offset holds all year.