Ruling · Aghora Caturdaśī · 2097

Wednesday 4 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 304 minutes.

Decide it for

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 Wednesday 4 September

Taken. The only evening Caturdaśī reaches.

18:43 sunsetpradoṣa ends 20:13
18:1918:4319:0719:3119:5520:1920:43

89 of 89 minutes covered

Evening of Thursday 5 September

Caturdaśī is absent from pradoṣa. Not taken.

18:42 sunsetpradoṣa ends 20:11
18:1818:4219:0619:3019:5420:1820:42

0 of 89 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 13:39 on Wed 4 Sep to 10:58 on Thu 5 Sep.

    2097-09-04T05:39:19Z → 2097-09-05T02:58:11Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:43–20:13 on the 4th, 18:42–20:11 on the 5th.

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

  3. 03

    Rule

    Caturdaśī must be present during pradoṣa. It covers 89 of 89 minutes on the 4th and 0 of 89 on the 5th.

    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 18247 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 2097: Wednesday 4 September.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 2097 falls on Wednesday 4 September. Caturdaśī runs from 13:39 on Wed 4 Sep to 10:58 on Thu 5 Sep and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2097/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 4 Sep
Ahargaṇa, classicalDisc centre, no refractionWed 4 Sep
compat-drikpanchangComparison profileWed 4 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 4thCoveredSunset 5thCoveredRuled
Los Angeles22:39 → 19:5819:1445 min19:120 min4 Sep
Chicago00:39 → 21:5819:1889 min19:160 min4 Sep
Jersey City01:39 → 22:5819:2289 min19:210 min4 Sep
Port of Spain01:39 → 22:5818:1394 min18:130 min4 Sep
London06:39 → 03:5819:3886 min19:360 min4 Sep
Durban07:39 → 04:5817:4399 min17:440 min4 Sep
Dubai09:39 → 06:5818:3492 min18:330 min4 Sep
Delhi11:09 → 08:2818:3991 min18:380 min4 Sep
Kolkata11:09 → 08:2817:5092 min17:490 min4 Sep
Singapore13:39 → 10:5819:0895 min19:070 min4 Sep
Sydney15:39 → 12:5817:40100 min17:400 min4 Sep
Suva17:39 → 14:5818:0097 min18:000 min4 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

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