Kolkata
Exact time synced with atomic clocks (IANA + NTP)
Thursday, May 21, 2026
India Β· Asia/Kolkata Β· GMT+5:30
Kolkata and Istanbul Time Difference
Kolkata is 2.5h ahead of Istanbul
Istanbul
Exact time synced with atomic clocks (IANA + NTP)
Thursday, May 21, 2026
Turkey Β· Europe/Istanbul Β· GMT+3
Best time for work calls
If you are scheduling a call between Kolkata and Istanbul, the overlap window is limited to typical business hours. When it is 11 am in Kolkata it is 9 am in Istanbul β a workable window for scheduling. The latest reasonable overlap is around 5 pm in Kolkata (2 pm in Istanbul). Outside this window there is effectively no good overlap for regular office hours.
Best time for family calls
Kolkata and Istanbul have a comfortable window for a family call β no awkward alarms required. Kolkata is 2.5 hours ahead of Istanbul, which gives you 4 hours of genuine overlap when both sides are free. Aim for between 6 pm and 10 pm in Kolkata β that lands at 3:30 pm to 7:30 pm in Istanbul, after the school run and before anyone's ready for bed. For a Sunday catch-up or a midweek check-in, this is the sweet spot.
Kolkata
No public holidays on record for this country
Daylight Cycle
π
Dawn4:30:43 AM
βοΈ Sunrise4:55:07 AM
π Solar Noon11:34:32 AM
π Golden Hour5:42:17 PM
π Sunset6:13:57 PM
π Dusk6:38:21 PM
Day length13:18:49
Data via sunrisesunset.io
Current Weather
ConditionβοΈ Thunderstorm
Temperature30Β°C
Feels like37Β°C
Humidity86%
Wind6 mph SE
Data via Open-Meteo Β· Updates every 30 min
Moon Phase
Phaseπ Waxing Crescent
Illumination24%
CycleWaxing
Moon age4.8 days
Moonrise09:05
Moonset22:58
Istanbul
Democracy and National Unity Day
Jul 15in 56dVictory Day
Aug 30in 102dRepublic Day
Oct 29in 162d
Daylight Cycle
π
Dawn5:10:40 AM
βοΈ Sunrise5:42:32 AM
π Solar Noon1:02:05 PM
π Golden Hour7:41:45 PM
π Sunset8:21:39 PM
π Dusk8:53:31 PM
Day length14:39:07
Data via sunrisesunset.io
Current Weather
Conditionπ§οΈ Rain
Temperature17Β°C
Feels like17Β°C
Humidity89%
Wind4 mph NW
Data via Open-Meteo Β· Updates every 30 min
Moon Phase
Phaseπ Waxing Crescent
Illumination24%
CycleWaxing
Moon age4.8 days
Moonrise09:54
Moonset01:15