Ruling · Aghora Caturdaśī · 2089

Saturday 3 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 437 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 Friday 2 September

Caturdaśī is absent from pradoṣa. Not taken.

18:47 sunsetpradoṣa ends 20:15
18:2318:4719:1119:3519:5920:2320:47

0 of 88 minutes covered

Evening of Saturday 3 September

Taken. The only evening Caturdaśī reaches.

18:45 sunsetpradoṣa ends 20:14
18:2118:4519:0919:3319:5720:2120:45

89 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 07:06 on Sat 3 Sep to 03:31 on Sun 4 Sep.

    2089-09-02T23:06:30Z → 2089-09-03T19:30:32Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:47–20:15 on the 2nd, 18:45–20:14 on the 3rd.

    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 88 minutes on the 2nd and 89 of 89 on the 3rd.

    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 26207 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 2089: Saturday 3 September.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 2089 falls on Saturday 3 September. Caturdaśī runs from 07:06 on Sat 3 Sep to 03:31 on Sun 4 Sep and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2089/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 3 Sep
Ahargaṇa, classicalDisc centre, no refractionSat 3 Sep
compat-drikpanchangComparison profileSat 3 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 2ndCoveredSunset 3rdCoveredRuled
Los Angeles16:06 → 12:3119:1690 min19:150 min2 Sep
Chicago18:06 → 14:3119:2188 min19:190 min2 Sep
Jersey City19:06 → 15:3119:2688 min19:240 min2 Sep
Port of Spain19:06 → 15:3118:1542 min18:140 min2 Sep
London00:06 → 20:3119:430 min19:4150 min3 Sep
Durban01:06 → 21:3117:420 min17:4399 min3 Sep
Dubai03:06 → 23:3118:360 min18:3592 min3 Sep
Delhi04:36 → 01:0118:410 min18:4091 min3 Sep
Kolkata04:36 → 01:0117:520 min17:5192 min3 Sep
Singapore07:06 → 03:3119:080 min19:0895 min3 Sep
Sydney09:06 → 05:3117:380 min17:39100 min3 Sep
Suva11:06 → 07:3117:590 min18:0098 min3 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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