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Weather Forecast for Great Falls (Cuyuni-Mazaruni, Guyana)
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Forecast Overview
Sat Feb 1 81°F 61°F 27°C 16°C Partly cloudy skies.
detailsSun Feb 2 84°F 59°F 29°C 15°C Partly cloudy skies.
detailsMon Feb 3 84°F 59°F 29°C 15°C Partly cloudy skies.
detailsTue Feb 4 82°F 63°F 28°C 17°C Chance of light rain before sunrise.
detailsWed Feb 5 84°F 64°F 29°C 18°C Chance of light rain in the afternoon.
detailsThu Feb 6 82°F 64°F 28°C 18°C Chance of light rain at various times.
detailsFri Feb 7 86°F 63°F 30°C 17°C Chance of light rain after 5 pm.
detailsSat Feb 8 86°F 63°F 30°C 17°C Mostly cloudy skies.
detailsSun Feb 9 84°F 61°F 29°C 16°C Chance of light rain after 5 pm.
detailsMon Feb 10 86°F 61°F 30°C 16°C Chance of light rain in the morning.
detailsTue Feb 11 86°F 63°F 30°C 17°C Chance of light rain before sunrise and in the afternoon.
detailsWed Feb 12 84°F 63°F 29°C 17°C Chance of rain all day.
detailsThu Feb 13 82°F 64°F 28°C 18°C Chance of rain all day.
detailsFri Feb 14 75°F 66°F 24°C 19°C Chance of rain at various times.
details
Detailed Forecast
Friday, January 31 | sunrise: 06:21 sunset: 18:14 |
Chance of light rain from morning till evening (between 5 am and 5 pm) and again at night (after 8 pm). Estimated precipitation: 0.04 in (1 mm). Mostly cloudy skies. Wind: 5 mph (8 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
14:00 17:00 | Chance of light rain. Precipitation: 0.01 in (0.3125 mm). | 72°F (22°C) | 5 mph (8 km/h) | 77% | 0.204% | |
17:00 20:00 | Overcast. Precipitation: 0.01 in (0.375 mm). | 65°F (18°C) | 2 mph (2 km/h) | 98% | 0.205% | |
20:00 23:00 | Chance of light rain. Precipitation: 0.01 in (0.3125 mm). | 65°F (18°C) | 2 mph (3 km/h) | 97% | 0.206% |
Saturday, February 1 | sunrise: 06:21 sunset: 18:14 |
Low around 61°F (16°C), high around 81°F (27°C). Estimated precipitation: 0.01 in (0.375 mm). Partly cloudy skies. Wind: 6 mph (10 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
23:00 02:00 | Clear. Precipitation: 0.01 in (0.25 mm). | 62°F (17°C) | 2 mph (4 km/h) | 99% | 0.207% | |
02:00 05:00 | Considerable cloudiness. | 61°F (16°C) | 1 mph (2 km/h) | 100% | 0.207% | |
05:00 08:00 | Overcast. | 65°F (18°C) | 1 mph (2 km/h) | 94% | 0.208% | |
08:00 11:00 | Mostly cloudy. Precipitation: 0 in (0.125 mm). | 78°F (26°C) | 5 mph (8 km/h) | 53% | 0.206% | |
11:00 14:00 | Overcast. | 78°F (26°C) | 6 mph (10 km/h) | 51% | 0.201% | |
14:00 17:00 | Overcast. | 72°F (22°C) | 2 mph (3 km/h) | 69% | 0.2% | |
17:00 20:00 | Clear. | 64°F (18°C) | 2 mph (3 km/h) | 90% | 0.2% | |
20:00 23:00 | Mostly clear. | 62°F (17°C) | 1 mph (2 km/h) | 98% | 0.2% |
Sunday, February 2 | sunrise: 06:21 sunset: 18:14 |
Low around 59°F (15°C), high around 84°F (29°C). Partly cloudy skies. Wind: 6 mph (10 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
23:00 02:00 | Considerable cloudiness. | 61°F (16°C) | 1 mph (2 km/h) | 99% | 0.2% | |
02:00 05:00 | Partly cloudy. | 60°F (15°C) | 1 mph (1 km/h) | 100% | 0.2% | |
05:00 08:00 | Mostly cloudy. | 64°F (18°C) | 2 mph (3 km/h) | 88% | 0.2% | |
08:00 11:00 | Sunny. | 78°F (26°C) | 5 mph (9 km/h) | 45% | 0.198% | |
11:00 14:00 | Overcast. | 84°F (29°C) | 6 mph (10 km/h) | 34% | 0.192% | |
14:00 17:00 | More clouds than sun. | 79°F (26°C) | 6 mph (10 km/h) | 46% | 0.188% | |
17:00 20:00 | Clear. | 65°F (18°C) | 1 mph (2 km/h) | 89% | 0.188% | |
20:00 23:00 | Clear. | 63°F (17°C) | 1 mph (1 km/h) | 96% | 0.188% |
Monday, February 3 | sunrise: 06:21 sunset: 18:14 |
Low around 60°F (15°C), high around 85°F (29°C). Partly cloudy skies. Wind: 5 mph (9 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
23:00 02:00 | Partly cloudy. | 61°F (16°C) | 1 mph (2 km/h) | 99% | 0.188% | |
02:00 05:00 | Partly cloudy. | 60°F (16°C) | 1 mph (1 km/h) | 99% | 0.188% | |
05:00 08:00 | Overcast. | 65°F (18°C) | 2 mph (2 km/h) | 88% | 0.188% | |
08:00 11:00 | Sunny. | 77°F (25°C) | 5 mph (8 km/h) | 52% | 0.186% | |
11:00 14:00 | Sunny. | 84°F (29°C) | 5 mph (8 km/h) | 38% | 0.183% | |
14:00 17:00 | Times of sun and clouds. | 82°F (28°C) | 5 mph (9 km/h) | 44% | 0.179% | |
17:00 20:00 | Overcast. | 66°F (19°C) | 2 mph (3 km/h) | 83% | 0.179% | |
20:00 23:00 | Mostly clear, with a few passing clouds. | 63°F (17°C) | 1 mph (2 km/h) | 96% | 0.179% |
Tuesday, February 4 | sunrise: 06:21 sunset: 18:15 |
Low around 62°F (17°C), high around 83°F (28°C). Chance of light rain before sunrise (between 2 am and 5 am). Estimated precipitation: 0.02 in (0.5 mm). Mostly cloudy skies. Wind: 6 mph (9 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
23:00 02:00 | Overcast. | 65°F (18°C) | 1 mph (1 km/h) | 92% | 0.179% | |
02:00 05:00 | Chance of light rain. Precipitation: 0 in (0.0625 mm). | 65°F (19°C) | 1 mph (2 km/h) | 95% | 0.18% | |
05:00 08:00 | Sunny. Precipitation: 0 in (0.125 mm). | 68°F (20°C) | 3 mph (4 km/h) | 85% | 0.18% | |
08:00 11:00 | More clouds than sun. Precipitation: 0 in (0.0625 mm). | 80°F (26°C) | 5 mph (8 km/h) | 53% | 0.179% | |
11:00 14:00 | Overcast. | 82°F (28°C) | 6 mph (9 km/h) | 48% | 0.176% | |
14:00 17:00 | Partly cloudy. | 79°F (26°C) | 5 mph (8 km/h) | 54% | 0.173% | |
17:00 20:00 | A few passing clouds. Precipitation: 0 in (0.125 mm). | 67°F (20°C) | 3 mph (4 km/h) | 90% | 0.173% | |
20:00 23:00 | Overcast. Precipitation: 0 in (0.125 mm). | 67°F (19°C) | 2 mph (3 km/h) | 94% | 0.173% |
Wednesday, February 5 | sunrise: 06:21 sunset: 18:15 |
Low around 64°F (18°C), high around 85°F (29°C). Chance of light rain during the afternoon (between 11 am and 5 pm). Estimated precipitation: 0.03 in (0.8125 mm). Considerable cloudiness. Wind: 5 mph (8 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
23:00 02:00 | Overcast. Precipitation: 0 in (0.0625 mm). | 67°F (19°C) | 2 mph (3 km/h) | 94% | 0.174% | |
02:00 05:00 | Considerable cloudiness. Precipitation: 0 in (0.125 mm). | 65°F (19°C) | 2 mph (3 km/h) | 97% | 0.174% | |
05:00 08:00 | Sunny. Precipitation: 0 in (0.125 mm). | 68°F (20°C) | 3 mph (5 km/h) | 86% | 0.174% | |
08:00 11:00 | Times of sun and clouds. Precipitation: 0 in (0.125 mm). | 80°F (26°C) | 5 mph (8 km/h) | 55% | 0.173% | |
11:00 14:00 | Chance of light rain. Precipitation: 0 in (0.0625 mm). | 84°F (29°C) | 5 mph (8 km/h) | 44% | 0.17% | |
14:00 17:00 | Chance of light rain. Precipitation: 0.01 in (0.25 mm). | 74°F (23°C) | 2 mph (3 km/h) | 72% | 0.169% | |
17:00 20:00 | Overcast. Precipitation: 0 in (0.0625 mm). | 67°F (19°C) | 2 mph (4 km/h) | 91% | 0.169% | |
20:00 23:00 | A few passing clouds. | 64°F (18°C) | 1 mph (2 km/h) | 99% | 0.169% |
Thursday, February 6 | sunrise: 06:21 sunset: 18:15 |
Low around 64°F (18°C), high around 82°F (28°C). Chance of light rain in the morning from 11 pm to 2 am and from 8 am to 11 am and late in the afternoon (between 2 pm and 5 pm). Estimated precipitation: 0.03 in (0.8125 mm). Mostly cloudy skies. Wind: 5 mph (8 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
23:00 02:00 | Chance of light rain. Precipitation: 0 in (0.0625 mm). | 65°F (19°C) | 1 mph (2 km/h) | 97% | 0.17% | |
02:00 05:00 | Overcast. Precipitation: 0.01 in (0.1875 mm). | 65°F (19°C) | 2 mph (3 km/h) | 96% | 0.171% | |
05:00 08:00 | A few passing clouds. Precipitation: 0 in (0.0625 mm). | 67°F (20°C) | 3 mph (4 km/h) | 89% | 0.171% | |
08:00 11:00 | Chance of light rain. Precipitation: 0 in (0.125 mm). | 78°F (25°C) | 5 mph (8 km/h) | 57% | 0.169% | |
11:00 14:00 | Overcast. | 82°F (28°C) | 4 mph (7 km/h) | 47% | 0.167% | |
14:00 17:00 | Chance of light rain. Precipitation: 0 in (0.0625 mm). | 75°F (24°C) | 2 mph (3 km/h) | 66% | 0.167% | |
17:00 20:00 | Clear. Precipitation: 0.01 in (0.25 mm). | 66°F (19°C) | 2 mph (4 km/h) | 94% | 0.167% | |
20:00 23:00 | Mostly cloudy. Precipitation: 0 in (0.0625 mm). | 64°F (18°C) | 1 mph (2 km/h) | 99% | 0.167% |
Friday, February 7 | sunrise: 06:21 sunset: 18:15 |
Low around 63°F (17°C), high around 86°F (30°C). Chance of light rain in the evening (between 5 pm and 8 pm). Estimated precipitation: 0.01 in (0.375 mm). Considerable cloudiness. Wind: 6 mph (9 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
23:00 02:00 | Overcast. | 65°F (18°C) | 1 mph (2 km/h) | 96% | 0.167% | |
02:00 05:00 | Mostly cloudy. | 65°F (18°C) | 1 mph (2 km/h) | 97% | 0.167% | |
05:00 08:00 | Sunny. | 68°F (20°C) | 3 mph (5 km/h) | 80% | 0.168% | |
08:00 11:00 | Sunny. | 80°F (27°C) | 6 mph (9 km/h) | 40% | 0.165% | |
11:00 14:00 | Overcast. | 86°F (30°C) | 6 mph (9 km/h) | 33% | 0.162% | |
14:00 17:00 | Overcast. | 76°F (24°C) | 4 mph (7 km/h) | 60% | 0.16% | |
17:00 20:00 | Chance of light rain. Precipitation: 0.01 in (0.25 mm). | 69°F (20°C) | 2 mph (4 km/h) | 84% | 0.16% | |
20:00 23:00 | Overcast. Precipitation: 0 in (0.125 mm). | 64°F (18°C) | 2 mph (3 km/h) | 97% | 0.16% |
Saturday, February 8 | sunrise: 06:21 sunset: 18:15 |
Low around 62°F (17°C), high around 87°F (30°C). Mostly cloudy skies. Wind: 5 mph (9 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
23:00 02:00 | Considerable cloudiness. | 63°F (17°C) | 1 mph (2 km/h) | 99% | 0.161% | |
02:00 05:00 | Overcast. | 62°F (17°C) | 1 mph (2 km/h) | 100% | 0.161% | |
05:00 08:00 | Overcast. | 66°F (19°C) | 2 mph (3 km/h) | 87% | 0.161% | |
08:00 11:00 | Times of sun and clouds. | 81°F (27°C) | 5 mph (8 km/h) | 43% | 0.16% | |
11:00 14:00 | Overcast. | 87°F (30°C) | 5 mph (9 km/h) | 36% | 0.157% | |
14:00 17:00 | Overcast. | 77°F (25°C) | 3 mph (5 km/h) | 55% | 0.155% | |
17:00 20:00 | Clear. | 68°F (20°C) | 3 mph (4 km/h) | 78% | 0.155% | |
20:00 23:00 | Partly cloudy. | 64°F (18°C) | 1 mph (2 km/h) | 95% | 0.155% |
Sunday, February 9 | sunrise: 06:21 sunset: 18:16 |
Low around 62°F (16°C), high around 84°F (29°C). Chance of light rain in the evening (between 5 pm and 8 pm). Estimated precipitation: 0.03 in (0.75 mm). Considerable cloudiness. Wind: 6 mph (9 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
23:00 02:00 | Mostly cloudy. | 63°F (17°C) | 1 mph (2 km/h) | 98% | 0.155% | |
02:00 05:00 | Partly cloudy. | 62°F (17°C) | 2 mph (3 km/h) | 100% | 0.156% | |
05:00 08:00 | Overcast. | 66°F (19°C) | 1 mph (2 km/h) | 88% | 0.156% | |
08:00 11:00 | Times of sun and clouds. | 76°F (24°C) | 5 mph (8 km/h) | 57% | 0.155% | |
11:00 14:00 | More clouds than sun. | 84°F (29°C) | 6 mph (9 km/h) | 43% | 0.152% | |
14:00 17:00 | Overcast. | 76°F (24°C) | 3 mph (5 km/h) | 59% | 0.15% | |
17:00 20:00 | Chance of light rain. Precipitation: 0.02 in (0.625 mm). | 67°F (19°C) | 2 mph (3 km/h) | 89% | 0.152% | |
20:00 23:00 | Partly cloudy. Precipitation: 0 in (0.125 mm). | 64°F (18°C) | 2 mph (3 km/h) | 98% | 0.153% |
Monday, February 10 | sunrise: 06:21 sunset: 18:16 |
Low around 61°F (16°C), high around 86°F (30°C). Chance of light rain early in the morning (between 5 am and 8 am). Estimated precipitation: 0.01 in (0.25 mm). Mostly cloudy skies. Wind: 5 mph (8 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
23:00 02:00 | Clear. Precipitation: 0 in (0.125 mm). | 64°F (18°C) | 2 mph (2 km/h) | 98% | 0.154% | |
02:00 05:00 | Partly cloudy. Precipitation: 0 in (0.0625 mm). | 62°F (17°C) | 2 mph (2 km/h) | 100% | 0.154% | |
05:00 08:00 | Chance of light rain. Precipitation: 0 in (0.0625 mm). | 65°F (18°C) | 2 mph (4 km/h) | 92% | 0.155% | |
08:00 11:00 | Times of sun and clouds. | 79°F (26°C) | 4 mph (7 km/h) | 48% | 0.154% | |
11:00 14:00 | Overcast. | 86°F (30°C) | 5 mph (8 km/h) | 37% | 0.151% | |
14:00 17:00 | Overcast. | 76°F (25°C) | 4 mph (7 km/h) | 56% | 0.15% | |
17:00 20:00 | Overcast. | 71°F (22°C) | 3 mph (4 km/h) | 69% | 0.15% | |
20:00 23:00 | Mostly cloudy. | 68°F (20°C) | 2 mph (4 km/h) | 81% | 0.15% |
Tuesday, February 11 | sunrise: 06:21 sunset: 18:16 |
Low around 63°F (17°C), high around 85°F (30°C). Chance of light rain between 11 pm and 2 am and late in the afternoon (between 2 pm and 5 pm). Estimated precipitation: 0.08 in (2.125 mm). Mostly cloudy skies. Wind: 6 mph (9 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
23:00 02:00 | Chance of light rain. Precipitation: 0.01 in (0.25 mm). | 66°F (19°C) | 2 mph (3 km/h) | 95% | 0.15% | |
02:00 05:00 | Mostly cloudy. Precipitation: 0 in (0.125 mm). | 65°F (18°C) | 2 mph (3 km/h) | 96% | 0.151% | |
05:00 08:00 | Sunny. | 68°F (20°C) | 2 mph (3 km/h) | 80% | 0.151% | |
08:00 11:00 | Considerable cloudiness. | 82°F (28°C) | 5 mph (8 km/h) | 47% | 0.149% | |
11:00 14:00 | Overcast. Precipitation: 0 in (0.0625 mm). | 82°F (28°C) | 6 mph (9 km/h) | 46% | 0.148% | |
14:00 17:00 | Chance of light rain. Precipitation: 0 in (0.0625 mm). | 79°F (26°C) | 5 mph (7 km/h) | 54% | 0.146% | |
17:00 20:00 | Overcast. Precipitation: 0.03 in (0.8125 mm). | 67°F (19°C) | 2 mph (3 km/h) | 95% | 0.148% | |
20:00 23:00 | Mostly cloudy. Precipitation: 0.03 in (0.8125 mm). | 65°F (19°C) | 2 mph (3 km/h) | 99% | 0.154% |
Wednesday, February 12 | sunrise: 06:20 sunset: 18:16 |
Low around 63°F (17°C), high around 83°F (29°C). Chance of rain all day. The precipitation may fall as scattered showers of varying intensity. Estimated precipitation: 0.27 in (6.8125 mm). Mostly cloudy skies. Wind: 5 mph (8 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
23:00 02:00 | Chance of light rain. Precipitation: 0.01 in (0.1875 mm). | 66°F (19°C) | 2 mph (3 km/h) | 99% | 0.155% | |
02:00 05:00 | Times of clear skies and clouds. Precipitation: 0 in (0.0625 mm). | 63°F (17°C) | 1 mph (2 km/h) | 99% | 0.155% | |
05:00 08:00 | Chance of light rain. Precipitation: 0 in (0.0625 mm). | 67°F (19°C) | 2 mph (3 km/h) | 93% | 0.156% | |
08:00 11:00 | Chance of light rain. Precipitation: 0 in (0.0625 mm). | 79°F (26°C) | 5 mph (8 km/h) | 57% | 0.155% | |
11:00 14:00 | Chance of light rain. Precipitation: 0.01 in (0.25 mm). | 83°F (28°C) | 5 mph (7 km/h) | 49% | 0.153% | |
14:00 17:00 | Chance of scattered rain showers. Precipitation: 0.11 in (2.75 mm). | 73°F (23°C) | 3 mph (5 km/h) | 87% | 0.162% | |
17:00 20:00 | Chance of scattered rain showers. Precipitation: 0.11 in (2.75 mm). | 66°F (19°C) | 2 mph (3 km/h) | 98% | 0.183% | |
20:00 23:00 | Overcast. Precipitation: 0.03 in (0.6875 mm). | 66°F (19°C) | 1 mph (2 km/h) | 99% | 0.188% |
Thursday, February 13 | sunrise: 06:20 sunset: 18:16 |
Low around 65°F (18°C), high around 83°F (28°C). Chance of rain all day (from 2 am to 11 pm). The precipitation may fall as scattered showers of varying intensity. Estimated precipitation: 0.39 in (9.8125 mm). Mostly cloudy skies. Wind: 4 mph (7 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
23:00 02:00 | Overcast. Precipitation: 0.01 in (0.3125 mm). | 66°F (19°C) | 2 mph (3 km/h) | 99% | 0.188% | |
02:00 05:00 | Chance of light rain. Precipitation: 0.01 in (0.375 mm). | 66°F (19°C) | 1 mph (2 km/h) | 99% | 0.191% | |
05:00 08:00 | Chance of light rain. Precipitation: 0 in (0.125 mm). | 68°F (20°C) | 2 mph (3 km/h) | 95% | 0.191% | |
08:00 11:00 | Chance of light rain. Precipitation: 0.02 in (0.5 mm). | 76°F (25°C) | 4 mph (7 km/h) | 70% | 0.191% | |
11:00 14:00 | Chance of scattered rain showers. Precipitation: 0.06 in (1.5 mm). | 78°F (26°C) | 4 mph (7 km/h) | 69% | 0.191% | |
14:00 17:00 | Chance of scattered rain showers. Precipitation: 0.12 in (3.125 mm). | 72°F (22°C) | 3 mph (4 km/h) | 92% | 0.205% | |
17:00 20:00 | Chance of scattered rain showers. Precipitation: 0.11 in (2.8125 mm). | 66°F (19°C) | 2 mph (3 km/h) | 99% | 0.229% | |
20:00 23:00 | Chance of scattered rain showers. Precipitation: 0.04 in (1.0625 mm). | 66°F (19°C) | 1 mph (2 km/h) | 99% | 0.234% |
Friday, February 14 | sunrise: 06:20 sunset: 18:16 |
Low around 66°F (19°C), high around 76°F (24°C). Chance of rain in the morning (before 5 am and from 8 am to 11 am) and in the evening (from 5 pm to 8 pm). The precipitation may fall as scattered showers of varying intensity. Estimated precipitation: 0.57 in (14.375 mm). Overcast skies. Wind: 3 mph (6 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
23:00 02:00 | Chance of rain. Precipitation: 0.06 in (1.625 mm). | 67°F (19°C) | 0 mph (1 km/h) | 100% | 0.246% | |
02:00 05:00 | Chance of rain. Precipitation: 0.08 in (2.125 mm). | 67°F (19°C) | 1 mph (1 km/h) | 99% | 0.257% | |
05:00 08:00 | Overcast. Precipitation: 0.09 in (2.1875 mm). | 67°F (19°C) | 1 mph (2 km/h) | 98% | 0.262% | |
08:00 11:00 | Chance of rain. Precipitation: 0.04 in (1 mm). | 74°F (23°C) | 3 mph (4 km/h) | 82% | 0.257% | |
11:00 14:00 | Overcast. Precipitation: 0.1 in (2.5625 mm). | 74°F (23°C) | 3 mph (6 km/h) | 84% | 0.257% | |
14:00 17:00 | Overcast. Precipitation: 0.11 in (2.6875 mm). | 72°F (22°C) | 3 mph (5 km/h) | 89% | 0.264% | |
17:00 20:00 | Chance of scattered rain showers. Precipitation: 0.08 in (2.0625 mm). | 66°F (19°C) | 2 mph (3 km/h) | 99% | 0.269% | |
20:00 23:00 | Mostly cloudy. Precipitation: 0 in (0.125 mm). | 66°F (19°C) | 2 mph (3 km/h) | 100% | 0.261% |
Great Falls (latitude 05°42'N, longitude 061°05'W)
Local Time:
Great Falls is in the "America/Guyana" timezone.
The "America/Guyana" timezone uses a Standard Time (ST) / Daylight Saving Time (DST) alternation scheme, and it currently is in ST (since Sunday, 29 March 1992, 00:00 AM local time). During ST, the offset to Universal Time (UTC, GMT or Zulu) is -4:00 hours.
Great Falls will exit standard time (entering DST) on Monday, 18 January 2038, at 23:14 local time, when clocks will be turned forward 0 hour to Monday, 18 January 2038, 23:14 local daylight time. During DST, the offset to UTC will be -4:00 hours.