501.

Moon at First Quarter The Moon reaches first quarter phase – appearing high in the sky at sunset and setting in the west at around midnight. Fri, 24 Jul 2015 at 00:04 EDT (3,263 days ago) in Virgo

502.

The Moon at apogee The Moon recedes to its orbit's furthest point from the Earth, making it appear fractionally smaller than at other times of the month. Tue, 21 Jul 2015 at 07:02 EDT (3,266 days ago) in Virgo

503.

The Moon at perihelion The Moon passes its orbit's closest point to the Sun, which happens each month around the time of new moon. Thu, 16 Jul 2015 at 14:44 EDT (3,271 days ago) in Cancer

504.

New Moon The Moon disappears into the Sun's glare for a few days. Wed, 15 Jul 2015 at 21:25 EDT (3,272 days ago) in Gemini

505.

Moon at Last Quarter The Moon reaches last quarter phase – rising in the east at around midnight and appearing high in the sky by sunrise. Wed, 08 Jul 2015 at 16:24 EDT (3,279 days ago) in Pisces

506.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Mon, 06 Jul 2015 at 15:40 EDT (3,281 days ago) in Pisces

507.

The Moon at perigee The Moon makes its monthly closest approach to the Earth, making it appear fractionally larger than at other times of the month. Sun, 05 Jul 2015 at 14:52 EDT (3,282 days ago) in Aquarius

508.

Full Moon The Moon reaches full phase and is visible for much of the night. Wed, 01 Jul 2015 at 22:19 EDT (3,286 days ago) in Sagittarius

509.

The Moon at aphelion The Moon recedes to its orbit's furthest point from the Sun, which happens each month around the time of full moon. Wed, 01 Jul 2015 at 20:45 EDT (3,286 days ago) in Sagittarius

510.

Moon at First Quarter The Moon reaches first quarter phase – appearing high in the sky at sunset and setting in the west at around midnight. Wed, 24 Jun 2015 at 07:03 EDT (3,293 days ago) in Virgo

511.

The Moon at apogee The Moon recedes to its orbit's furthest point from the Earth, making it appear fractionally smaller than at other times of the month. Tue, 23 Jun 2015 at 13:00 EDT (3,294 days ago) in Leo

512.

June solstice 21 June will be the longest day of 2015 in the northern hemisphere. Sun, 21 Jun 2015 at 12:38 EDT (3,296 days ago) in Taurus

513.

New Moon The Moon disappears into the Sun's glare for a few days. Tue, 16 Jun 2015 at 10:06 EDT (3,301 days ago) in Taurus

514.

The Moon at perihelion The Moon passes its orbit's closest point to the Sun, which happens each month around the time of new moon. Mon, 15 Jun 2015 at 20:18 EDT (3,302 days ago) in Taurus

515.

The Moon at perigee The Moon makes its monthly closest approach to the Earth, making it appear fractionally larger than at other times of the month. Wed, 10 Jun 2015 at 00:44 EDT (3,307 days ago) in Pisces

516.

Moon at Last Quarter The Moon reaches last quarter phase – rising in the east at around midnight and appearing high in the sky by sunrise. Tue, 09 Jun 2015 at 11:42 EDT (3,308 days ago) in Pisces

517.

The Moon at aphelion The Moon recedes to its orbit's furthest point from the Sun, which happens each month around the time of full moon. Wed, 03 Jun 2015 at 13:12 EDT (3,314 days ago) in Ophiuchus

518.

Full Moon The Moon reaches full phase and is visible for much of the night. Tue, 02 Jun 2015 at 12:18 EDT (3,315 days ago) in Ophiuchus

519.

The Moon at apogee The Moon recedes to its orbit's furthest point from the Earth, making it appear fractionally smaller than at other times of the month. Tue, 26 May 2015 at 18:12 EDT (3,322 days ago) in Leo

520.

Moon at First Quarter The Moon reaches first quarter phase – appearing high in the sky at sunset and setting in the west at around midnight. Mon, 25 May 2015 at 13:19 EDT (3,323 days ago) in Leo