Ruling · Aghora Caturdaśī · 2042

Friday 12 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 218 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 Friday 12 September

Taken. The only evening Caturdaśī reaches.

18:32 sunsetpradoṣa ends 20:03
18:0818:3218:5619:2019:4420:0820:32

92 of 92 minutes covered

Evening of Saturday 13 September

Caturdaśī is absent from pradoṣa. Not taken.

18:30 sunsetpradoṣa ends 20:02
18:0618:3018:5419:1819:4220:0620:30

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 13:18 on Fri 12 Sep to 14:52 on Sat 13 Sep.

    2042-09-12T05:18:03Z → 2042-09-13T06:52:21Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:32–20:03 on the 12th, 18:30–20:02 on the 13th.

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

  3. 03

    Rule

    Caturdaśī must be present during pradoṣa. It covers 92 of 92 minutes on the 12th and 0 of 92 on the 13th.

    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 13054 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 2042: Friday 12 September.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 2042 falls on Friday 12 September. Caturdaśī runs from 13:18 on Fri 12 Sep to 14:52 on Sat 13 Sep and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2042/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 12 Sep
Ahargaṇa, classicalDisc centre, no refractionFri 12 Sep
compat-drikpanchangComparison profileFri 12 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 12thCoveredSunset 13thCoveredRuled
Los Angeles22:18 → 23:5219:0392 min19:020 min12 Sep
Chicago00:18 → 01:5219:0591 min19:030 min12 Sep
Jersey City01:18 → 02:5219:1091 min19:080 min12 Sep
Port of Spain01:18 → 02:5218:0894 min18:080 min12 Sep
London06:18 → 07:5219:2189 min19:190 min12 Sep
Durban07:18 → 08:5217:4797 min17:470 min12 Sep
Dubai09:18 → 10:5218:2693 min18:250 min12 Sep
Delhi10:48 → 12:2218:3093 min18:280 min12 Sep
Kolkata10:48 → 12:2217:4393 min17:420 min12 Sep
Singapore13:18 → 14:5219:0495 min19:040 min12 Sep
Sydney15:18 → 16:5217:4498 min17:450 min12 Sep
Suva17:18 → 18:5218:0197 min18:0152 min12 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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