Ruling · Aghora Caturdaśī · 1991

Saturday 7 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 87 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

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

The two evenings

One ghaṭī is 24 minutes. Pradoṣa is 2 muhūrtas after sunset.

Evening of Friday 6 September

Caturdaśī is absent from pradoṣa. Not taken.

19:42 sunsetpradoṣa ends 21:11
19:1819:4220:0620:3020:5421:1821:42

0 of 89 minutes covered

Evening of Saturday 7 September

Taken. The only evening Caturdaśī reaches.

19:40 sunsetpradoṣa ends 21:10
19:1619:4020:0420:2820:5221:1621:40

90 of 90 minutes covered

Caturdaśī presentPradoṣa, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Caturdaśī runs from 01:25 on Sat 7 Sep to 22:37 on Sat 7 Sep.

    1991-09-06T16:25:18Z → 1991-09-07T13:36:58Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:42–21:11 on the 6th, 19:40–21:10 on the 7th.

    pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Caturdaśī must be present during pradoṣa. It covers 0 of 89 minutes on the 6th and 90 of 90 on the 7th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

  4. 04

    Tie-break

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

    priority: unstated → only-day · margin 5216 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 1991: Saturday 7 September.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 1991 falls on Saturday 7 September. Caturdaśī runs from 01:25 on Sat 7 Sep to 22:37 on Sat 7 Sep and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1991/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 7 Sep
Ahargaṇa, classicalDisc centre, no refractionSat 7 Sep
compat-drikpanchangComparison profileSat 7 Sep
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/aghora-chaturdashi · ruleset 2026.3-draft

Month
Śrāvaṇa, amānta
Pakṣa · aṅga
Kṛṣṇa · Caturdaśī
Kāla
Pradoṣa
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 103

“K 14 Aghora caturdasi (pradosa vyapini).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceCaturdaśīSunset 6thCoveredSunset 7thCoveredRuled
Los Angeles09:25 → 06:3719:1290 min19:110 min6 Sep
Chicago11:25 → 08:3719:1689 min19:140 min6 Sep
Jersey City12:25 → 09:3719:2189 min19:190 min6 Sep
Port of Spain12:25 → 09:3718:1294 min18:120 min6 Sep
London17:25 → 14:3719:3786 min19:340 min6 Sep
Durban18:25 → 15:3717:4357 min17:440 min6 Sep
Dubai20:25 → 17:3718:330 min18:320 min6 Sep
Delhi21:55 → 19:0718:370 min18:3631 min7 Sep
Kolkata21:55 → 19:0717:490 min17:4879 min7 Sep
Singapore00:25 → 21:3719:070 min19:0695 min7 Sep
Sydney02:25 → 23:3717:400 min17:4099 min7 Sep
Suva04:25 → 01:3717:590 min18:0097 min7 Sep
Profile · tradition
pac-rp@2026.1 · smarta
Rule
aghora-chaturdashi@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

About Ahargaṇa