Deerfield Beach zone
EDT (GMT-4)
Kolkata zone
GMT+5:30 (GMT+5:30)
Difference
9h 30m ahead of Deerfield Beach
Business overlap
No 9-5 overlap
Working hours overlap
Each cell is one hour in Deerfield Beach. Filled cells mark when 9 AM – 5 PM in Deerfield Beach and Kolkata both apply.
0 hours per day
- Deerfield Beach
- GMT-4
- Kolkata
- GMT+5:30
- Difference
- +9h 30m
- Business overlap
- 0h
Hour-by-hour conversion
Each row shows the matching local time in Kolkata for an hour in Deerfield Beach.
| Deerfield Beach | Kolkata | Day | Window |
|---|---|---|---|
| 12:00 AM | 9:30 AM | same day | — |
| 1:00 AM | 10:30 AM | same day | — |
| 2:00 AM | 11:30 AM | same day | — |
| 3:00 AM | 12:30 PM | same day | — |
| 4:00 AM | 1:30 PM | same day | — |
| 5:00 AM | 2:30 PM | same day | — |
| 6:00 AM | 3:30 PM | same day | — |
| 7:00 AM | 4:30 PM | same day | — |
| 8:00 AM | 5:30 PM | same day | — |
| 9:00 AM | 6:30 PM | same day | — |
| 10:00 AM | 7:30 PM | same day | — |
| 11:00 AM | 8:30 PM | same day | — |
| 12:00 PM | 9:30 PM | same day | — |
| 1:00 PM | 10:30 PM | same day | — |
| 2:00 PM | 11:30 PM | same day | — |
| 3:00 PM | 12:30 AM | next day | — |
| 4:00 PM | 1:30 AM | next day | — |
| 5:00 PM | 2:30 AM | next day | — |
| 6:00 PM | 3:30 AM | next day | — |
| 7:00 PM | 4:30 AM | next day | — |
| 8:00 PM | 5:30 AM | next day | — |
| 9:00 PM | 6:30 AM | next day | — |
| 10:00 PM | 7:30 AM | next day | — |
| 11:00 PM | 8:30 AM | next day | — |
Best meeting windows
Standard 9 AM – 5 PM hours in Deerfield Beach and Kolkata do not overlap. Plan calls for early Deerfield Beach morning or late Deerfield Beach evening, and rotate the burden between sides.
Tighter overlap is achievable by having the side with later working hours start earlier, or by treating the first and last hours of each side as flexible. The bar above marks every hour where both cities sit inside a 9 AM – 5 PM window.
About converting Deerfield Beach time to Kolkata time
Deerfield Beach follows the America/New_York time zone (currently EDT, GMT-4), while Kolkata follows Asia/Kolkata (currently GMT+5:30, GMT+5:30). Kolkata is 9h 30m ahead of Deerfield Beach right now.
Deerfield Beach observes daylight saving time, while Kolkata does not. The offset between the two cities changes by one hour at the daylight saving transitions.
Daylight saving transitions in 2026
Deerfield Beach
- Spring forward · Sunday, March 8, 2026
- Fall back · Sunday, November 1, 2026
Kolkata
Does not observe daylight saving time.
Reverse this conversion
Kolkata to Deerfield Beach
Open the converter
Plan a meeting between Deerfield Beach and Kolkata
More conversions from Deerfield Beach
Frequently asked questions
- How many hours is Deerfield Beach from Kolkata?
- Kolkata is 9h 30m ahead of Deerfield Beach right now.
- What time is 9:00 AM Deerfield Beach in Kolkata?
- 9:00 AM in Deerfield Beach is 6:30 PM in Kolkata.
- What time is 5:00 PM Deerfield Beach in Kolkata?
- 5:00 PM in Deerfield Beach is 2:30 AM (next day) in Kolkata.
- When do Deerfield Beach and Kolkata business hours overlap?
- Standard 9 AM - 5 PM working hours in Deerfield Beach and Kolkata do not overlap. You will need an early or late call.
- Does daylight saving time change the difference between Deerfield Beach and Kolkata?
- Deerfield Beach observes daylight saving time while Kolkata does not, so the offset between them changes by one hour twice a year.
Local time page
Time in Deerfield Beach
Local time page
Time in Kolkata