def julian_easter(year):
easter_data = easter(julian_year(year))
presumptive_easter = julian_to_jd((year, ) + easter_data['easter'])
equinox = julian_to_jd((year, ) + easter_data['equinox'])
new_moon = julian_to_jd((year, ) + easter_data['new_moon'])
passover_begins = hebrew.pesach_jd(hebrew.ad_to_am_at_pesach(year))
easter_day = presumptive_easter
needed_passover_correction = False
while (passover_begins > presumptive_easter):
needed_passover_correction = True
easter_day += 7
return {
'julian_easter' : easter_day,
'julian_uncorrected_easter' : presumptive_easter,
'julian_equinox' : equinox,
'julian_new_moon' : new_moon,
'julian_full_moon' : new_moon + 13,
'julian_passover_correction' : needed_passover_correction,
'passover' : passover_begins,
'passover_prep' : passover_begins - 1,
'nissan' : passover_begins - 14
}
def interleave(year):
start_date = computus.gregorian_to_jd((year, 3, 1))
end_date = computus.gregorian_to_jd((year, 5, 31))
print 'start ' + str(start_date) + '<br>'
print 'end ' + str(end_date) + '<br>'
julian = julian_calendar(year)
gregorian = gregorian_calendar(year)
hebrew_cal = hebrew_calendar(hebrew.ad_to_am_at_pesach(year))
compendium = easter_compendium(year)
i_julian = 0
i_hebrew = 0
i = 0
while julian[i_julian][0] != start_date: i_julian += 1
while gregorian[i][0] != start_date: i += 1
while hebrew_cal[i_hebrew][0] != start_date: i_hebrew += 1
offset = i_julian - i
hebrew_offset = i_hebrew - i
# Find Sunday.
while gregorian[i][3] != 0: i += 1
prev = str(year - 1)
next = str(year + 1)
print """
<div align="center">
<a href=\"""" + prev + """"><< prev</a>
<a href=\"""" + next + """">next >></a>
<table border="1" cellspacing="0">
<tr>
<th width="100">Sunday</th>
<th width="100">Monday</th>
<th width="100">Tuesday</th>
<th width="100">Wednesday</th>
<th width="100">Thursday</th>
<th width="100">Friday</th>
<th width="100">Saturday</th>
"""
done = False
while not done:
if gregorian[i][3] == 0:
print '</tr>'
print '<tr>'
print '<td height="100" valign="top">'
jd = gregorian[i][0]
print str(jd) + '<br>'
if jd == end_date:
done = True
print 'Done!<br>'
print 'G',
print_calendar_entry(gregorian[i])
print '<br>'
print 'J',
print_calendar_entry(julian[i + offset])
print '<br>'
print 'H',
print_hebrew_calendar_entry(
hebrew_cal[i + hebrew_offset], gregorian[i][3])
print '<br>'
annotations = consult_compendium(compendium, jd)
j_easter = False
j_pre_easter = False
for a in annotations:
if a == 'gregorian_equinox': print 'Equinox (W)'
elif a == 'gregorian_full_moon': print 'Full Moon (W)'
elif a == 'gregorian_easter': print 'Easter (W)'
elif a == 'julian_equinox': print 'Equinox (E)'
elif a == 'julian_full_moon': print 'Full Moon (E)'
elif a == 'julian_easter':
print 'Easter (E)'
j_easter = True
elif a == 'julian_uncorrected_easter': j_pre_easter = True
elif a == 'passover': print 'Passover'
elif a == 'passover_prep': print 'Full Moon (H)'
if j_pre_easter and not j_easter: print 'Not Easter (E)'
print '</td>'
i += 1
