Ruling · Kālī Pūjā · 2009

Saturday 17 October

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 475 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 Saturday 17 October

Taken. The only night Amāvasyā reaches.

niśītha begins 23:02  23:50 niśītha ends
22:1422:3823:0223:2623:5000:1400:38

48 of 48 minutes covered

Night of Sunday 18 October

Amāvasyā is absent from niśītha. Not taken.

niśītha begins 23:02  23:50 niśītha ends
22:1422:3823:0223:2623:5000:1400:38

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 15:07 on Sat 17 Oct to 13:33 on Sun 18 Oct.

    2009-10-17T07:06:53Z → 2009-10-18T05:33:05Z

  2. 02

    Kāla

    Niśītha is 1 ghaṭikā either side of midnight: 23:02–23:50 on the 17th, 23:02–23:50 on the 18th.

    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 17th and 0 of 48 on the 18th.

    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 28492 s

  5. 05

    Ruling

    Kālī Pūjā, Daqing, 2009: Saturday 17 October.

    confidence: determinate

Say it like this

In Daqing, Kālī Pūjā 2009 falls on Saturday 17 October. Amāvasyā runs from 15:07 on Sat 17 Oct to 13:33 on Sun 18 Oct and covers all of niśītha that night.

ahargana.org/daqing/festivals/2009/kali-puja · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 17 Oct
Ahargaṇa, classicalDisc centre, no refractionSat 17 Oct
compat-drikpanchangComparison profileSat 17 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 17thCoveredNiśītha 18thCoveredRuled
Los Angeles00:07 → 22:3300:140 min00:140 min16 Oct
Chicago02:07 → 00:3300:1221 min00:120 min17 Oct
Jersey City03:07 → 01:3300:1848 min00:180 min17 Oct
Port of Spain03:07 → 01:3323:2748 min23:270 min17 Oct
London08:07 → 06:3300:2248 min00:220 min17 Oct
Durban09:07 → 07:3323:1748 min23:170 min17 Oct
Dubai11:07 → 09:3323:4048 min23:400 min17 Oct
Delhi12:37 → 11:0323:4348 min23:420 min17 Oct
Kolkata12:37 → 11:0322:5848 min22:580 min17 Oct
Singapore15:07 → 13:3300:2648 min00:260 min17 Oct
Sydney18:07 → 16:3300:1648 min00:160 min17 Oct
Suva19:07 → 17:3323:2848 min23:270 min17 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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