Ruling · Aghora Caturdaśī · 1983

Monday 5 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 40 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 Monday 5 September

Taken. The only evening Caturdaśī reaches.

18:44 sunsetpradoṣa ends 20:13
18:2018:4419:0819:3219:5620:2020:44

89 of 89 minutes covered

Evening of Tuesday 6 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 18:04 on Mon 5 Sep to 14:20 on Tue 6 Sep.

    1983-09-05T10:03:38Z → 1983-09-06T06:20:04Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:44–20:13 on the 5th, 18:42–20:11 on the 6th.

    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 5th and 0 of 89 on the 6th.

    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 2398 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 1983: Monday 5 September.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 1983 falls on Monday 5 September. Caturdaśī runs from 18:04 on Mon 5 Sep to 14:20 on Tue 6 Sep and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1983/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 5 Sep
Ahargaṇa, classicalDisc centre, no refractionMon 5 Sep
compat-drikpanchangComparison profileMon 5 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 5thCoveredSunset 6thCoveredRuled
Los Angeles03:04 → 23:2019:1490 min19:120 min5 Sep
Chicago05:04 → 01:2019:1888 min19:160 min5 Sep
Jersey City06:04 → 02:2019:2389 min19:210 min5 Sep
Port of Spain06:04 → 02:2018:1394 min18:120 min5 Sep
London11:04 → 07:2019:3985 min19:370 min5 Sep
Durban12:04 → 08:2017:4299 min17:430 min5 Sep
Dubai14:04 → 10:2018:3492 min18:330 min5 Sep
Delhi15:34 → 11:5018:3991 min18:370 min5 Sep
Kolkata15:34 → 11:5017:5092 min17:490 min5 Sep
Singapore18:04 → 14:2019:0795 min19:070 min5 Sep
Sydney20:04 → 16:2017:390 min17:400 min5 Sep
Suva22:04 → 18:2017:590 min17:5921 min6 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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