A small Time library with:
- Sync time with four NTP Time servers (Spark Core)
- Soft time for Arduino (if no RTC/NTP/…)
- Universal usable DST/Summer time
- Sunrise and Sunset
- Easy time and date formatting
- Helper: leapYear, yearDay, (short) dayName, (short) monthName, formatTime, formatDate, twoDigits
You’ll find it here