Ruling · Kālī Pūjā (Śyāmā Pūjā) · 2087

Saturday 25 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 248 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 Saturday 25 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

Night of Sunday 26 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

Amāvasyā presentNiśītha, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Amāvasyā runs from 17:16 on Sat 25 Oct to 19:31 on Sun 26 Oct.

    2087-10-25T09:15:50Z → 2087-10-26T11:30:50Z

  2. 02

    Kāla

    Niśītha is 1 ghaṭikā either side of midnight: 23:39–00:27 on the 25th, 23:39–00:27 on the 26th.

    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 25th and 0 of 48 on the 26th.

    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 14869 s

  5. 05

    Ruling

    Kālī Pūjā, Baoding, 2087: Saturday 25 October.

    confidence: determinate

Say it like this

In Baoding, Kālī Pūjā 2087 falls on Saturday 25 October. Amāvasyā runs from 17:16 on Sat 25 Oct to 19:31 on Sun 26 Oct and covers all of niśītha that night.

ahargana.org/baoding/festivals/2087/kali-puja · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 25 Oct
Ahargaṇa, classicalDisc centre, no refractionSat 25 Oct
compat-drikpanchangComparison profileSat 25 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 25thCoveredNiśītha 26thCoveredRuled
Los Angeles02:16 → 04:3100:1348 min00:130 min25 Oct
Chicago04:16 → 06:3100:1148 min00:110 min25 Oct
Jersey City05:16 → 07:3100:1748 min00:170 min25 Oct
Port of Spain05:16 → 07:3123:2648 min23:260 min25 Oct
London10:16 → 11:3100:2148 min23:210 min25 Oct
Durban11:16 → 13:3123:1648 min23:160 min25 Oct
Dubai13:16 → 15:3123:3948 min23:390 min25 Oct
Delhi14:46 → 17:0123:4248 min23:410 min25 Oct
Kolkata14:46 → 17:0122:5748 min22:570 min25 Oct
Singapore17:16 → 19:3100:2548 min00:250 min25 Oct
Sydney20:16 → 22:3100:1548 min00:150 min25 Oct
Suva21:16 → 23:3123:2648 min23:264 min25 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

About Ahargaṇa