Current time difference at a glance
When it is noon in Yokohama, it is 08:30 in Delhi. When Delhi starts its workday at 09:00, Yokohama is already at 12:30. Yokohama runs on Japan Standard Time (JST, UTC+9). Delhi runs on India Standard Time (IST, UTC+5:30). The gap is 3.5 hours, with Yokohama always in the lead.
Why Yokohama is always 3.5 hours ahead of Delhi
The math is simple: 9 minus 5.5 equals 3.5. No fractions, no rounding. Yokohama is exactly three and a half hours ahead of Delhi. This makes Yokohama one of the handful of major Asian cities that is not a round-hour offset from India. Most of East Asia (Tokyo, Seoul) shares this 3.5-hour gap with India; Southeast Asian cities like Bangkok and Jakarta are only1.5 hours behind Yokohama.
Does the Yokohama vs Delhi time gap ever change?
No. Japan has not observed daylight saving time since1951. India has never observed it on a national level. The3.5-hour gap between Yokohama and Delhi is stable every single day of the year. You never need to check whether a clock change has shifted the difference. A meeting scheduled for next January works the same as one scheduled for next July.
This is a rare advantage. Compare it with Yokohama vs New York, where the gap shifts between13 and14 hours depending on the season, or Yokohama vs London, which swings between8 and9 hours. The Yokohama, Delhi pair is as predictable as it gets.
When is the best time to call Delhi from Yokohama?
The practical question: when can both cities talk during normal business hours?
In Yokohama, the typical workday runs09:00-18:00. In Delhi,09:00-18:00 IST is standard. The overlapping window is Yokohama11:30 to14:00, which corresponds to Delhi08:00 to10:30.
That gives you a two-and-a-half-hour window. For a team in Yokohama, this means the late morning and early lunch period. For the Delhi side, it means the start of the workday. If you want the overlap to cover more of both teams' mornings, the Delhi side will need to start early. If you push it later, the Yokohama side will need to stay through lunch.
The rule of thumb: schedule meetings at12:00 JST (08:30 IST) or13:00 JST (09:30 IST). These land in the middle of both sides' morning productivity hours.
Yokohama to Delhi time converter table
| Yokohama (JST) | Delhi (IST) |
|---|---|
| 06:00 | 02:30 |
| 07:00 | 03:30 |
| 08:00 | 04:30 |
| 09:00 | 05:30 |
| 10:00 | 06:30 |
| 11:00 | 07:30 |
| 11:30 | 08:00 |
| 12:00 | 08:30 |
| 13:00 | 09:30 |
| 14:00 | 10:30 |
| 15:00 | 11:30 |
| 16:00 | 12:30 |
| 17:00 | 13:30 |
| 18:00 | 14:30 |
| 19:00 | 15:30 |
| 20:00 | 16:30 |
| 21:00 | 17:30 |
| 22:00 | 18:30 |
| 23:00 | 19:30 |
| 00:00 | 20:30 |
The bolded rows mark the recommended overlap window.
How to schedule recurring calls between Yokohama and Delhi
If you need to schedule a recurring call or meeting, use the11:30-14:00 JST window as your starting point. For a deeper look at how this overlap changes when you factor in other cities or want to check current times against your own clock, head to the best times to call Yokohama page. That page gives you the full set of optimal windows for every major time zone.