One of the oldest gold mines in the province, the Kromdraai Gold Mine, is an interesting place to visit for anyone looking to learn more about Gautengâs gold rush history. Only a 40-minute drive north of Johannesburg, the Kromdraai Gold Mine is located in the scenic Cradle of Humankind World Heritage Site, one of the major tourist attractions in South Africa. Gold is central to the history of Gauteng and it was only as recently as 1886 that the city of Johannesburg was founded, mainly due to the vast amounts of gold to be found in the area.
4 centuries is 400 years and a leap year occurs every 4 years, therefore 100 leap years will occur in 4 centuries. 365*300 + 366*100 = 146100 days 1440 minutes in 1 day â¦1440*146100 = 210384000 minutes in 400 years.
For this calendar, a common year is 365 days (8760 hours, 525600 minutes or 31536000 seconds), and a leap year is 366 days (8784 hours, 527040 minutes or 31622400 seconds). The 400-year cycle of the Gregorian calendar has 146097 days and hence exactly 20871 weeks. a g = a_g = 365.2425 days for the mean Gregorian year âºâº Definition: Century. a period of 100 years âºâº Metric conversions and more. ConvertUnits.com provides an online conversion calculator for all types of measurement units.