Time Zone |
America/Los_Angeles |
Standard Time GMT / UTC |
UTC-8 |
Daylight Saving Time |
UTC-7 |
Time Zone |
Africa/Niamey |
Standard Time GMT / UTC |
UTC+1 |
Daylight Saving Time |
Daylight saving time is not observed in the current region. |
Richland is located in the southeastern part of the U.S. state of Washington, on the Columbia River, in Benton County, and is one of the major cities in the Palouse region. The city emerged as a result of the Manhattan Project during World War II and retains a unique historical heritage as a former employee housing area for the Hanford Nuclear Plant, now a National Historic Landmark at the Hanford Site. Richland's economy is dominated by energy science and technology, nuclear energy research, and agriculture, with research institutions such as the Pacific Northwest National Laboratory (PNNL) driving technological innovation. The Columbia River supports local water resources, and agriculture is known for apples and wine. With a population of approximately 50,000, the city offers a pleasant environment, safe neighborhoods, and a mix of historic charm and modern vitality, making it an important center of livability and science in southeastern Washington.
Diffa, the capital of the Diffa region in southeastern Niger, is located on the southern edge of the Sahara Desert and shares a border with Nigeria, making it one of the most important border cities in Niger. The city is located in the lower Niger River basin around the climate of the tropical desert climate, hot and dry throughout the year, the average annual precipitation is less than 300 millimeters. The economy is based on agriculture and animal husbandry, and the surrounding areas are rich in millet, sorghum and livestock. Diffa, as a regional trade center, undertakes the function of cross-border trade with neighboring countries, such as Nigeria, and is especially famous for the trade of livestock, agricultural products and handicrafts. The city is culturally diverse, with Hausa, Tuareg and Kanuri ethnic groups living in the area, and is unique in its crafts such as traditional leather weaving and silversmithing. Despite infrastructural challenges, Diffa remains an important economic and cultural node in the south-east of the Niger, thanks to its strategic location and rich cultural heritage.