Ruling · Kālī Pūjā (Śyāmā Pūjā) · 2066

Monday 18 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 556 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 Sunday 17 October

Amāvasyā is absent from niśītha. Not taken.

niśītha begins 23:40  00:28 niśītha ends
22:5223:1623:4000:0400:2800:5201:16

0 of 48 minutes covered

Night of Monday 18 October

Taken. The only night Amāvasyā reaches.

niśītha begins 23:40  00:28 niśītha ends
22:5223:1623:4000:0400:2800:5201:16

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 11:16 on Mon 18 Oct to 09:43 on Tue 19 Oct.

    2066-10-18T03:16:25Z → 2066-10-19T01:43:23Z

  2. 02

    Kāla

    Niśītha is 1 ghaṭikā either side of midnight: 23:40–00:28 on the 17th, 23:40–00:28 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 0 of 48 minutes on the 17th and 48 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 33344 s

  5. 05

    Ruling

    Kālī Pūjā, Baoding, 2066: Monday 18 October.

    confidence: determinate

Say it like this

In Baoding, Kālī Pūjā 2066 falls on Monday 18 October. Amāvasyā runs from 11:16 on Mon 18 Oct to 09:43 on Tue 19 Oct and covers all of niśītha that night.

ahargana.org/baoding/festivals/2066/kali-puja · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 18 Oct
Ahargaṇa, classicalDisc centre, no refractionMon 18 Oct
compat-drikpanchangComparison profileMon 18 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 18thCoveredNiśītha 19thCoveredRuled
Los Angeles20:16 → 18:4300:140 min00:140 min17 Oct
Chicago22:16 → 20:4300:120 min00:120 min17 Oct
Jersey City23:16 → 21:4300:180 min00:180 min17 Oct
Port of Spain23:16 → 21:4323:270 min23:270 min17 Oct
London04:16 → 02:4300:2248 min00:220 min18 Oct
Durban05:16 → 03:4323:1748 min23:170 min18 Oct
Dubai07:16 → 05:4323:4048 min23:400 min18 Oct
Delhi08:46 → 07:1323:4248 min23:420 min18 Oct
Kolkata08:46 → 07:1322:5848 min22:580 min18 Oct
Singapore11:16 → 09:4300:2648 min00:260 min18 Oct
Sydney14:16 → 12:4300:1648 min00:160 min18 Oct
Suva15:16 → 13:4323:2748 min23:270 min18 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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