First version of the Solar Position PHP Library permits to calculate the different solar phases times for a particular location and date:

• Solar Noon -> getSolarNoon()
• Sunset -> getSunset()
• Sunrise -> getSunrise()
• Civil Twilight -> getCivilTwilightBegin(), getCivilTwilightEnd()
• Nautical Twilight -> getNauticalTwilightBegin(), getNauticalTwilightEnd()
• Astronomical Twilight -> getAstronomicalTwilightBegin(), getAstronomicalTwilightEnd()