Ruling · Kālī Pūjā (Śyāmā Pūjā) · 1998

Monday 19 October

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 292 minutes.

Decide it for

46°35′ N 125°00′ E · Asia/Shanghai · GeoNames 2037860

The two nights

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

Night of Monday 19 October

Taken. The only night Amāvasyā reaches.

niśītha begins 23:01  23:49 niśītha ends
22:1322:3723:0123:2523:4900:1300:37

48 of 48 minutes covered

Night of Tuesday 20 October

Amāvasyā is absent from niśītha. Not taken.

niśītha begins 23:01  23:49 niśītha ends
22:1322:3723:0123:2523:4900:1300:37

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 15:40 on Mon 19 Oct to 18:09 on Tue 20 Oct.

    1998-10-19T07:39:59Z → 1998-10-20T10:09:23Z

  2. 02

    Kāla

    Niśītha is 1 ghaṭikā either side of midnight: 23:01–23:49 on the 19th, 23:01–23:49 on the 20th.

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

  3. 03

    Rule

    Amāvasyā must be present during niśītha. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.

    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 17512 s

  5. 05

    Ruling

    Kālī Pūjā, Daqing, 1998: Monday 19 October.

    confidence: determinate

Say it like this

In Daqing, Kālī Pūjā 1998 falls on Monday 19 October. Amāvasyā runs from 15:40 on Mon 19 Oct to 18:09 on Tue 20 Oct and covers all of niśītha that night.

ahargana.org/daqing/festivals/1998/kali-puja · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 19 Oct
Ahargaṇa, classicalDisc centre, no refractionMon 19 Oct
compat-drikpanchangComparison profileMon 19 Oct
No institution has a recorded ruling for Daqing.

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 19thCoveredNiśītha 20thCoveredRuled
Los Angeles00:40 → 03:0900:1448 min00:140 min19 Oct
Chicago02:40 → 05:0900:1248 min00:120 min19 Oct
Jersey City03:40 → 06:0900:1848 min00:170 min19 Oct
Port of Spain03:40 → 06:0923:2748 min23:270 min19 Oct
London08:40 → 11:0900:2248 min00:220 min19 Oct
Durban09:40 → 12:0923:1748 min23:160 min19 Oct
Dubai11:40 → 14:0923:4048 min23:400 min19 Oct
Delhi13:10 → 15:3923:4248 min23:420 min19 Oct
Kolkata13:10 → 15:3922:5848 min22:580 min19 Oct
Singapore15:40 → 18:0900:2648 min00:250 min19 Oct
Sydney17:40 → 20:0923:1648 min23:160 min19 Oct
Suva19:40 → 22:0923:2748 min23:270 min19 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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