Time Limits for Reporting Social Security Earnings. There's a time limit for reporting Social Security earnings and getting credits towards future Social Security benefits. The time period is 3 years, 3 months, and 15 days following the end of the calendar year in which you earn the income.
At latitude 25N, latest sunrise occurs just before mid-January, and earliest sunset is around the end of November. And at 50N, the date of earliest sunset is approximately 13th December, while latest sunrise is experienced at the end of December.
The sunrise is the exact instant at which the upper edge of the Sun becomes visible over the eastern horizon, in the morning. It's also called sun up. With sunset we refer to the instant when the trailing edge of the Sun stops being visible and disappears below the western horizon in the evening.