Ruling · Kālī Pūjā (Śyāmā Pūjā) · 2026

Sunday 8 November

Boundaryin Chicago, under the Rashtriya Panchang method. Both nights qualify and the rule does not say which to take. Say “contested”.

Decide it for

41°51′ N 87°39′ W · America/Chicago · GeoNames 4887398

The two nights

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

Night of Saturday 7 November

Qualifies with 0 of 48 minutes. Not taken.

niśītha begins 23:11  23:59 niśītha ends
Amāvasyā begins 23:58:22
22:2322:4723:1123:3523:5900:2300:47

0 of 48 minutes covered

Night of Sunday 8 November

Taken. Both nights qualify; the rule is silent, and this one is covered longer.

niśītha begins 23:11  23:59 niśītha ends
22:2322:4723:1123:3523:5900:2300:47

48 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 23:58 on Sat 7 Nov to 01:02 on Mon 9 Nov.

    2026-11-08T05:58:23Z → 2026-11-09T07:02:07Z

  2. 02

    Kāla

    Niśītha is 1 ghaṭikā either side of midnight: 23:11–23:59 on the 7th, 23:11–23:59 on the 8th.

    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 7th and 48 of 48 on the 8th.

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

  4. 04

    Tie-break

    Both nights qualify and the rule marks neither. The one covered longer is ruled, as a boundary.

    priority: unstated → greater-coverage · margin 17 s < 300 s

  5. 05

    Ruling

    Kālī Pūjā, Chicago, 2026: Sunday 8 November.

    confidence: boundary (margin, tie-break-unstated)

Say it like this

In Chicago, Kālī Pūjā 2026 falls on Sunday 8 November. Amāvasyā runs from 23:58 on Sat 7 Nov to 01:02 on Mon 9 Nov and covers all of niśītha that night. It also reaches the previous night for 0 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 0 min 17 s from a threshold: treat the date as contested.

ahargana.org/chicago/festivals/2026/kali-puja · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 8 Nov
Ahargaṇa, classicalDisc centre, no refractionSun 8 Nov
compat-drikpanchangComparison profileSun 8 Nov
No institution has a recorded ruling for Chicago.

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 8thCoveredNiśītha 9thCoveredRuled
Los Angeles21:58 → 23:0223:130 min23:130 min7 Nov
Chicago23:58 → 01:0223:1148 min23:110 min8 Nov
Jersey City00:58 → 02:0223:1648 min23:170 min8 Nov
Port of Spain01:58 → 03:0223:2648 min23:260 min8 Nov
London05:58 → 07:0223:2148 min23:210 min8 Nov
Durban07:58 → 09:0223:1548 min23:160 min8 Nov
Dubai09:58 → 11:0223:3948 min23:390 min8 Nov
Delhi11:28 → 12:3223:4148 min23:410 min8 Nov
Kolkata11:28 → 12:3222:5648 min22:570 min8 Nov
Singapore13:58 → 15:0200:2448 min00:240 min8 Nov
Sydney16:58 → 18:0200:1548 min00:150 min8 Nov
Suva17:58 → 19:0223:2648 min23:260 min8 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