Convert any time between MYT and HST, with a full 24-hour table and the hours when both sides are actually at work.

MYT to HST Time Converter

HST is 18 hours behind MYT. MYT is UTC+8:00, and HST is UTC-10:00.

MYT
Malaysia Time
12:55:05 AM
Monday, October 12, 2026
UTC+8:00
-18:00
hours difference
⇆ Reverse
HST
Hawaii Standard Time
06:55:05 AM
Sunday, October 11, 2026
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.

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.

MYTHSTWorking 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.

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.

Converting between two time zones regularly? Bookmark this page — the clocks update live and the table follows daylight saving automatically.