Ruling · Kālī Pūjā · 2001

Tuesday 13 November

Boundaryin Phoenix, under the Rashtriya Panchang method. Amāvasyā reaches niśītha on neither day and the rule does not say what then. Say “contested”.

Decide it for

33°27′ N 112°04′ W · America/Phoenix · GeoNames 5308655

The two nights

One ghaṭī is 24 minutes. Niśītha is 1 ghaṭikā either side of midnight.

Night of Tuesday 13 November

Taken. Amāvasyā reaches neither night; this is the day it falls on.

niśītha begins 23:49  00:37 niśītha ends
23:0123:2523:4900:1300:3701:0101:25

0 of 48 minutes covered

Night of Wednesday 14 November

Amāvasyā is absent from niśītha. Not taken.

niśītha begins 23:49  00:37 niśītha ends
Amāvasyā ends 23:39:58
23:0123:2523:4900:1300:3701:0101:25

0 of 48 minutes covered

Amāvasyā presentNiśītha, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Amāvasyā runs from 01:38 on Wed 14 Nov to 23:40 on Wed 14 Nov.

    2001-11-14T08:37:31Z → 2001-11-15T06:39:59Z

  2. 02

    Kāla

    Niśītha is 1 ghaṭikā either side of midnight: 23:49–00:37 on the 13th, 23:49–00:37 on the 14th.

    nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Amāvasyā must be present during niśītha. It covers 0 of 48 minutes on the 13th and 0 of 48 on the 14th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Neither night qualifies. The day the tithi falls on is taken.

    priority: unstated → tithi-day · margin 547 s

  5. 05

    Ruling

    Kālī Pūjā, Phoenix, 2001: Tuesday 13 November.

    confidence: boundary (absent-unstated)

Say it like this

In Phoenix, Kālī Pūjā 2001 falls on Tuesday 13 November. Amāvasyā runs from 01:38 on Wed 14 Nov to 23:40 on Wed 14 Nov, and reaches niśītha on neither day.

ahargana.org/phoenix/festivals/2001/kali-puja · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 13 Nov
Ahargaṇa, classicalDisc centre, no refractionTue 13 Nov
compat-drikpanchangComparison profileTue 13 Nov
No institution has a recorded ruling for Phoenix.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/kali-puja · ruleset 2026.3-draft

Month
Āśvina, amānta
Pakṣa · aṅga
Kṛṣṇa · Amāvasyā
Kāla
Niśītha
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 104

“K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceAmāvasyāNiśītha 14thCoveredNiśītha 15thCoveredRuled
Los Angeles00:38 → 22:4023:140 min23:140 min13 Nov
Chicago02:38 → 00:4023:1148 min23:120 min14 Nov
Jersey City03:38 → 01:4023:1748 min23:170 min14 Nov
Port of Spain04:38 → 02:4023:2748 min23:270 min14 Nov
London08:38 → 06:4023:2248 min23:220 min14 Nov
Durban10:38 → 08:4023:1648 min23:160 min14 Nov
Dubai12:38 → 10:4023:3948 min23:400 min14 Nov
Delhi14:08 → 12:1023:4248 min23:420 min14 Nov
Kolkata14:08 → 12:1022:5748 min22:570 min14 Nov
Singapore16:38 → 14:4000:2548 min00:250 min14 Nov
Sydney19:38 → 17:4000:1548 min00:160 min14 Nov
Suva20:38 → 18:4023:2748 min23:270 min14 Nov
Profile · tradition
pac-rp@2026.1 · smarta
Rule
kali-puja@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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