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.
For example, in Fairbanks, the sunrise on this year's summer solstice (June 20) is at 2:59 a.m. Sunset is at 12:47 a.m. the next day. For those two hours between sunrise and sunset, it's basically dusk or dawn because it never actually gets dark. This all-day daylight occurs May 17-July 27 in Fairbanks.