501.

New Moon The Moon disappears into the Sun's glare for a few days. Wed, 26 Apr 2017 at 08:17 EDT (2,622 days ago) in Cetus

502.

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, 24 Apr 2017 at 00:09 EDT (2,624 days ago) in Pisces

503.

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, 19 Apr 2017 at 05:57 EDT (2,629 days ago) in Sagittarius

504.

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. Sat, 15 Apr 2017 at 06:04 EDT (2,633 days ago) in Ophiuchus

505.

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. Fri, 14 Apr 2017 at 04:19 EDT (2,634 days ago) in Libra

506.

Full Moon The Moon reaches full phase and is visible for much of the night. Tue, 11 Apr 2017 at 02:08 EDT (2,637 days ago) in Virgo

507.

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, 03 Apr 2017 at 14:39 EDT (2,645 days ago) in Gemini

508.

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. Thu, 30 Mar 2017 at 08:32 EDT (2,649 days ago) in Aries

509.

New Moon The Moon disappears into the Sun's glare for a few days. Mon, 27 Mar 2017 at 22:58 EDT (2,652 days ago) in Cetus

510.

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. Sat, 25 Mar 2017 at 05:41 EDT (2,654 days ago) in Aquarius

511.

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. Mon, 20 Mar 2017 at 11:58 EDT (2,659 days ago) in Sagittarius

512.

March equinox Day and night have equal length, marking the beginning of spring in the northern hemisphere and autumn in the southern hemisphere. Mon, 20 Mar 2017 at 06:25 EDT (2,659 days ago) in Pisces

513.

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. Sat, 18 Mar 2017 at 13:25 EDT (2,661 days ago) in Ophiuchus

514.

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, 15 Mar 2017 at 09:33 EDT (2,664 days ago) in Virgo

515.

Full Moon The Moon reaches full phase and is visible for much of the night. Sun, 12 Mar 2017 at 10:53 EDT (2,667 days ago) in Leo

516.

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. Sun, 05 Mar 2017 at 06:32 EDT (2,674 days ago) in Taurus

517.

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. Fri, 03 Mar 2017 at 02:33 EDT (2,676 days ago) in Aries

518.

New Moon The Moon disappears into the Sun's glare for a few days. Sun, 26 Feb 2017 at 09:59 EDT (2,681 days ago) in Aquarius

519.

Annular solar eclipse There will be an eclipse of the Sun, visible from Angola, southern Argentina, southern Chile and southern Democratic Republic of the Congo. Sun, 26 Feb 2017 at 09:53 EDT (2,681 days ago) in Aquarius

520.

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. Fri, 24 Feb 2017 at 02:09 EDT (2,683 days ago) in Capricornus