Singapore to Istok time converter
Istok is 6 hours behind Singapore. When it is 9:00 AM in Singapore, it is 3:00 AM in Istok.
5:22 PM in Singapore, Tuesday, October 20, 2026
Shared working hours (9:00–18:00)
Singapore to Istok conversion table
Every hour of today in Singapore and the matching time in Istok. Light rows are typical working hours (9:00–18:00).
| Singapore | Istok |
|---|---|
| 12:00 AM | 6:00 PM−1 day |
| 1:00 AM | 7:00 PM−1 day |
| 2:00 AM | 8:00 PM−1 day |
| 3:00 AM | 9:00 PM−1 day |
| 4:00 AM | 10:00 PM−1 day |
| 5:00 AM | 11:00 PM−1 day |
| 6:00 AM | 12:00 AM |
| 7:00 AM | 1:00 AM |
| 8:00 AM | 2:00 AM |
| 9:00 AM | 3:00 AM |
| 10:00 AM | 4:00 AM |
| 11:00 AM | 5:00 AM |
| 12:00 PM | 6:00 AM |
| 1:00 PM | 7:00 AM |
| 2:00 PM | 8:00 AM |
| 3:00 PM | 9:00 AM |
| 4:00 PM | 10:00 AM |
| 5:00 PM | 11:00 AM |
| 6:00 PM | 12:00 PM |
| 7:00 PM | 1:00 PM |
| 8:00 PM | 2:00 PM |
| 9:00 PM | 3:00 PM |
| 10:00 PM | 4:00 PM |
| 11:00 PM | 5:00 PM |
Best time to call or meet
Both sides are at work from 3:00 PM – 6:00 PM in Singapore (9:00 AM – 12:00 PM in Istok).
Daylight saving time and the difference
The difference changes during the year because Singapore and Istok switch clocks on different dates:
- Oct 20, 2026 – Oct 25, 2026: -6h
- Oct 25, 2026 – Mar 28, 2027: -7h
- Mar 28, 2027 – Oct 20, 2027: -6h
More conversions
Questions and answers
What is the time difference between Singapore and Istok?
Istok is 6 hours behind Singapore.
What time is it in Istok when it is 9 AM in Singapore?
When it is 9:00 AM in Singapore, it is 3:00 AM in Istok.
When is the best time to call Istok from Singapore?
Both sides are at work from 3:00 PM – 6:00 PM in Singapore (9:00 AM – 12:00 PM in Istok).
Does the time difference between Singapore and Istok change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.