Ruling · Aghora Caturdaśī · 2018

Saturday 8 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 544 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 7 September

Caturdaśī is absent from pradoṣa. Not taken.

18:40 sunsetpradoṣa ends 20:09
18:1618:4019:0419:2819:5220:1620:40

0 of 90 minutes covered

Evening of Saturday 8 September

Taken. The only evening Caturdaśī reaches.

18:38 sunsetpradoṣa ends 20:08
18:1418:3819:0219:2619:5020:1420:38

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 08:29 on Sat 8 Sep to 05:12 on Sun 9 Sep.

    2018-09-08T00:28:57Z → 2018-09-08T21:12:19Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:40–20:09 on the 7th, 18:38–20:08 on the 8th.

    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 90 minutes on the 7th and 90 of 90 on the 8th.

    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 32645 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 2018: Saturday 8 September.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 2018 falls on Saturday 8 September. Caturdaśī runs from 08:29 on Sat 8 Sep to 05:12 on Sun 9 Sep and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2018/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 8 Sep
Ahargaṇa, classicalDisc centre, no refractionSat 8 Sep
compat-drikpanchangComparison profileSat 8 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 8thCoveredSunset 9thCoveredRuled
Los Angeles17:29 → 14:1219:090 min19:070 min7 Sep
Chicago19:29 → 16:1219:120 min19:100 min7 Sep
Jersey City20:29 → 17:1219:170 min19:150 min7 Sep
Port of Spain20:29 → 17:1218:110 min18:100 min7 Sep
London01:29 → 22:1219:3187 min19:290 min8 Sep
Durban02:29 → 23:1217:4498 min17:450 min8 Sep
Dubai04:29 → 01:1218:3092 min18:290 min8 Sep
Delhi05:59 → 02:4218:3592 min18:330 min8 Sep
Kolkata05:59 → 02:4217:4793 min17:460 min8 Sep
Singapore08:29 → 05:1219:0695 min19:060 min8 Sep
Sydney10:29 → 07:1217:4199 min17:420 min8 Sep
Suva12:29 → 09:1218:0097 min18:000 min8 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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