Ruling · Aghora Caturdaśī · 1947

Saturday 13 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 548 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 Saturday 13 September

Taken. The only evening Caturdaśī reaches.

19:31 sunsetpradoṣa ends 21:03
19:0719:3119:5520:1920:4321:0721:31

91 of 91 minutes covered

Evening of Sunday 14 September

Caturdaśī is absent from pradoṣa. Not taken.

19:30 sunsetpradoṣa ends 21:02
19:0619:3019:5420:1820:4221:0621:30

0 of 92 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 10:24 on Sat 13 Sep to 07:19 on Sun 14 Sep.

    1947-09-13T01:23:53Z → 1947-09-13T22:19:11Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:31–21:03 on the 13th, 19:30–21:02 on the 14th.

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

  3. 03

    Rule

    Caturdaśī must be present during pradoṣa. It covers 91 of 91 minutes on the 13th and 0 of 92 on the 14th.

    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 32852 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 1947: Saturday 13 September.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 1947 falls on Saturday 13 September. Caturdaśī runs from 10:24 on Sat 13 Sep to 07:19 on Sun 14 Sep and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1947/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 13 Sep
Ahargaṇa, classicalDisc centre, no refractionSat 13 Sep
compat-drikpanchangComparison profileSat 13 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 13thCoveredSunset 14thCoveredRuled
Los Angeles17:24 → 14:1918:030 min18:020 min12 Sep
Chicago20:24 → 17:1919:050 min19:030 min12 Sep
Jersey City21:24 → 18:1919:100 min19:080 min12 Sep
Port of Spain21:24 → 18:1918:0811 min18:080 min13 Sep
London02:24 → 23:1919:2189 min19:190 min13 Sep
Durban03:24 → 00:1917:4697 min17:470 min13 Sep
Dubai05:24 → 02:1918:2693 min18:250 min13 Sep
Delhi06:54 → 03:4918:3093 min18:280 min13 Sep
Kolkata06:54 → 03:4917:4393 min17:420 min13 Sep
Singapore08:54 → 05:4918:3495 min18:340 min13 Sep
Sydney11:24 → 08:1917:4498 min17:450 min13 Sep
Suva13:24 → 10:1918:0097 min18:010 min13 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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