MeanwhileIRST to HKT converter
Iran Time (Tehran) to Hong Kong Time (Hong Kong, same as Beijing and Shanghai).
HKT is 4 h 30 min ahead of IRST.
9:00 AM IRST = 1:30 PM HKT same day
Best time to meet
The best time to meet is between 9:00 AM and 1:00 PM IRST, which is 1:30 PM to 5:30 PM HKT. Both sides are then inside 9 AM to 5 PM.
IRST to HKT time table
For 31 Oct 2026. Green rows: both sides between 9 AM and 5 PM.
| IRST | HKT |
|---|---|
| 12:00 AM IRST | 4:30 AM HKT |
| 1:00 AM IRST | 5:30 AM HKT |
| 2:00 AM IRST | 6:30 AM HKT |
| 3:00 AM IRST | 7:30 AM HKT |
| 4:00 AM IRST | 8:30 AM HKT |
| 5:00 AM IRST | 9:30 AM HKT |
| 6:00 AM IRST | 10:30 AM HKT |
| 7:00 AM IRST | 11:30 AM HKT |
| 8:00 AM IRST | 12:30 PM HKT |
| 9:00 AM IRST | 1:30 PM HKT |
| 10:00 AM IRST | 2:30 PM HKT |
| 11:00 AM IRST | 3:30 PM HKT |
| 12:00 PM IRST | 4:30 PM HKT |
| 1:00 PM IRST | 5:30 PM HKT |
| 2:00 PM IRST | 6:30 PM HKT |
| 3:00 PM IRST | 7:30 PM HKT |
| 4:00 PM IRST | 8:30 PM HKT |
| 5:00 PM IRST | 9:30 PM HKT |
| 6:00 PM IRST | 10:30 PM HKT |
| 7:00 PM IRST | 11:30 PM HKT |
| 8:00 PM IRST | 12:30 AM HKT next day |
| 9:00 PM IRST | 1:30 AM HKT next day |
| 10:00 PM IRST | 2:30 AM HKT next day |
| 11:00 PM IRST | 3:30 AM HKT next day |
Quick answers
- 9:00 AM IRST = 1:30 PM HKT
- 12:00 PM IRST = 4:30 PM HKT
- 3:00 PM IRST = 7:30 PM HKT
- 5:00 PM IRST = 9:30 PM HKT
- 9:00 AM HKT = 4:30 AM IRST
- 12:00 PM HKT = 7:30 AM IRST
- 5:00 PM HKT = 12:30 PM IRST
Does the gap change during the year?
No. HKT is 4 h 30 min ahead of IRST all year.
IRST does not change its clocks. HKT does not change its clocks.
About IRST and HKT
IRST here means Iran Time, the clock in Tehran. Right now it is UTC+3:30. It has no daylight saving.
HKT here means Hong Kong Time, the clock in Hong Kong, same as Beijing and Shanghai. Right now it is UTC+8. It has no daylight saving.
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Coming soonMore conversions
IRST to EST IRST to CST IRST to MST IRST to PST IRST to AKST IRST to HST IRST to AST IRST to NST IRST to BRT IRST to ART IRST to COT IRST to CLT IRST to UTC IRST to GMT IRST to BST IRST to CET IRST to EET IRST to MSK IRST to TRT IRST to SAST IRST to WAT IRST to EAT IRST to GST IRST to AFT IRST to PKT IRST to IST IRST to NPT IRST to BDT IRST to ICT IRST to WIB IRST to SGT IRST to PHT IRST to KST IRST to JST IRST to AWST IRST to ACST IRST to AEST IRST to NZST
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