Current local time in Patna, India
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Sun & Moon
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Sunrise
— h — m of daylight
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Sunset
Sun 0°–6° above horizon
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Golden hour is the period just after sunrise and before sunset when sunlight is soft, warm, and directional — ideal for photography and videography.
Defined as when the sun's centre is between 0° and 6° above the horizon.
Times are calculated using the NOAA Solar Calculator algorithm — the same method used by meteorological agencies and naval observatories worldwide. Accurate to within ~1 minute for the exact coordinates of this city. · NOAA Solar Algorithm
Defined as when the sun's centre is between 0° and 6° above the horizon.
Times are calculated using the NOAA Solar Calculator algorithm — the same method used by meteorological agencies and naval observatories worldwide. Accurate to within ~1 minute for the exact coordinates of this city. · NOAA Solar Algorithm
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Moon phase shows the current lunar cycle stage and how much of the moon's surface is lit by the sun as seen from Earth.
Age = days since last new moon
φ = Age ÷ 29.531 (0 = new · 1 = full)
k = (1 + cos i) ÷ 2 (illumination)
where i = Sun–Moon–Earth phase angle
Source: Jean Meeus, Astronomical Algorithms, Ch. 48 (Willmann-Bell, 1991)
Age = days since last new moon
φ = Age ÷ 29.531 (0 = new · 1 = full)
k = (1 + cos i) ÷ 2 (illumination)
where i = Sun–Moon–Earth phase angle
Source: Jean Meeus, Astronomical Algorithms, Ch. 48 (Willmann-Bell, 1991)
International call time planner
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Call Planner
International call time planner · meeting time planner · time zone converter
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Temperature converter
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Kelvin K
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Air Quality Index (AQI) measures how clean or polluted the air is. Based on US EPA standards:
0–50 Good · 51–100 Moderate · 101–150 Unhealthy for sensitive groups · 151–200 Unhealthy · 201–300 Very unhealthy · 301+ Hazardous
Updated every 30 minutes
0–50 Good · 51–100 Moderate · 101–150 Unhealthy for sensitive groups · 151–200 Unhealthy · 201–300 Very unhealthy · 301+ Hazardous
Updated every 30 minutes
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050100150200300300+
Great-circle distance · ~900 km/h cruise speed ⓘNon-stop estimate only. Shows the straight-line distance and estimated flight time assuming a direct route exists. Actual travel time may be significantly longer if the route requires a layover.
Map
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