Ruling · Kālī Pūjā (Śyāmā Pūjā) · 1987

Thursday 22 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 61 minutes.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two nights

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

Night of Wednesday 21 October

Amāvasyā is absent from niśītha. Not taken.

niśītha begins 23:39  00:27 niśītha ends
22:5123:1523:3900:0300:2700:5101:15

0 of 48 minutes covered

Night of Thursday 22 October

Taken. The only night Amāvasyā reaches.

niśītha begins 23:39  00:27 niśītha ends
22:5123:1523:3900:0300:2700:5101:15

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 01:35 on Thu 22 Oct to 01:28 on Fri 23 Oct.

    1987-10-21T17:35:11Z → 1987-10-22T17:27:53Z

  2. 02

    Kāla

    Niśītha is 1 ghaṭikā either side of midnight: 23:39–00:27 on the 21st, 23:39–00:27 on the 22nd.

    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 21st and 48 of 48 on the 22nd.

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

  4. 04

    Tie-break

    Only one night qualifies. No tie-break is needed.

    priority: unstated → only-day · margin 3652 s

  5. 05

    Ruling

    Kālī Pūjā, Baoding, 1987: Thursday 22 October.

    confidence: determinate

Say it like this

In Baoding, Kālī Pūjā 1987 falls on Thursday 22 October. Amāvasyā runs from 01:35 on Thu 22 Oct to 01:28 on Fri 23 Oct and covers all of niśītha that night.

ahargana.org/baoding/festivals/1987/kali-puja · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 22 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 22 Oct
compat-drikpanchangComparison profileThu 22 Oct
No institution has a recorded ruling for Baoding.

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 21stCoveredNiśītha 22ndCoveredRuled
Los Angeles10:35 → 10:2800:1448 min00:140 min21 Oct
Chicago12:35 → 12:2800:1248 min00:110 min21 Oct
Jersey City13:35 → 13:2800:1748 min00:170 min21 Oct
Port of Spain13:35 → 13:2823:2748 min23:270 min21 Oct
London18:35 → 18:2800:2248 min00:220 min21 Oct
Durban19:35 → 19:2823:1648 min23:160 min21 Oct
Dubai21:35 → 21:2823:4048 min23:390 min21 Oct
Delhi23:05 → 22:5823:4248 min23:420 min21 Oct
Kolkata23:05 → 22:5822:5740 min22:571 min21 Oct
Singapore01:35 → 01:2800:250 min00:2548 min22 Oct
Sydney03:35 → 03:2823:160 min23:1548 min22 Oct
Suva05:35 → 05:2823:270 min23:2748 min22 Oct
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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