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MOON SIGHTING

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MOON SIGHTING 'Keep the fast after seeing the Hilal and complete the ... Hadith of Prophet (SAW) START OF THE HIJRI MONTH. Q: When is the first of the month? ... – PowerPoint PPT presentation

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Title: MOON SIGHTING


1
MOON SIGHTING
  • "Keep the fast after seeing the Hilal and
    complete the fast after seeing the Hilal (of
    Shawwal)."
  • Hadith of Prophet (SAW)

2
START OF THE HIJRI MONTH
  • Q When is the first of the month?
  • A It is the day following the
    evening when you are reasonably certain of the
    presence of the crescent on the horizon of the
    place where you reside, in a manner in which it
    is visible to the naked eye.

3
THE HORIZON
  • ? Scattered sunlight

? Anti-twilight Arc
? Earths shadow
4
EXAMPLE 1a - RAMADHAAN 1430
  • Conjunction is on Thursday 20th August 2009 at
    1103 am
  • LONDON
  • On Thursday 20th August 2009 (28 Shabaan),
  • The sun should set at 813 p.m. when
  • The crescent should be 9 hr 11 mins.
  • The angle of separation between sun and moon
    should be 6.3
  • The altitude of the moon above the horizon should
    be -2.6
  • The moon should set at 758 p.m.
  • The crescent is NOT above the horizon in London

5
CRESCENT VISIBILITY CURVE Thursday 20th August
2009
6
EXAMPLE 1b - RAMADHAAN 1430
  • Conjunction is on Thursday 20th August 2009 at
    1103 am
  • LONDON
  • On Friday 21st August 2009 (29 Shabaan),
  • The sun should set at 811 p.m. when
  • The crescent should be 33 hr 09 mins.
  • The angle of separation between sun and moon
    should be 19.4
  • The altitude of the moon above the horizon should
    be 0.2
  • The moon should set at 814 p.m.
  • The crescent is NOT above the horizon in London

7
CRESCENT VISIBILITY CURVE Friday 21st August
2009
8
EXAMPLE 1c - RAMADHAAN 1430
  • Conjunction is on Thursday 20th August 2009 at
    1103 am
  • LONDON
  • On Saturday 22nd August 2009 (30 Shabaan),
  • The sun should set at 809 p.m. when
  • The crescent should be 57 hr 07 mins.
  • The angle of separation between sun and moon
    should be 32.7
  • The altitude of the moon above the horizon should
    be 2.7
  • The moon should set at 830 p.m.
  • The crescent is above the horizon in London

9
CRESCENT VISIBILITY CURVE Saturday 22nd August
2009
10
EXAMPLE 2a - SHAWWAAL 1430
  • Conjunction is on Friday 18th September 2009 at
    745 pm
  • LONDON
  • On Saturday 19th Sep 2009 (28 Ramadhaan),
  • The sun should set at 706 p.m. when
  • The crescent should be 23hr 22min old.
  • The angle of separation between sun and moon
    should be 13.9
  • The altitude of the moon above the horizon should
    be 2.7
  • The moon should set at 651 p.m.
  • The crescent is NOT above the horizon in London

11
EXAMPLE 2b - SHAWWAAL 1430
  • Conjunction is on Friday 18th September 2009 at
    745 pm
  • LONDON
  • On Sunday 20th Sep 2009 (29 Ramadhaan),
  • The sun should set at 704 p.m. when
  • The crescent should be 47hr 19min old.
  • The angle of separation between sun and moon
    should be 26.3
  • The altitude of the moon above the horizon should
    be 0.4
  • The moon should set at 709 p.m.
  • The crescent is NOT above the horizon in London

12
EXAMPLE 2c - SHAWWAAL 1430
  • Conjunction is on Friday 18th September 2009 at
    745 pm
  • LONDON
  • On Monday 21st Sep 2009 (30 Ramadhaan),
  • The sun should set at 701 p.m. when
  • The crescent should be 71hr 17min old.
  • The angle of separation between sun and moon
    should be 38.7
  • The altitude of the moon above the horizon should
    be 3.0
  • The moon should set at 730 p.m.
  • The crescent is above the horizon in London

13
AGHAS RULING
  • If the moon is sighted in the East, it
    also applies to the West as long as the latitude
    of the two locations are not greatly further away
    from one another

14
AGHAS RULING
  • If the new moon is sighted in a city, it
    is sufficient for other cities, provided they
    share the same horizon, in the sense that the
    actual sighting in the first city would
    necessarily be followed with the sighting in the
    second city if there were no barriers like
    clouds, fog, mountains etc

15
ANY QUESTIONS ?
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