Ruling · Aghora Caturdaśī · 1917

Thursday 16 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 56 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 Wednesday 15 August

Caturdaśī is absent from pradoṣa. Not taken.

19:14 sunsetpradoṣa ends 20:36
18:5019:1419:3820:0220:2620:5021:14

0 of 82 minutes covered

Evening of Thursday 16 August

Taken. The only evening Caturdaśī reaches.

19:12 sunsetpradoṣa ends 20:35
18:4819:1219:3620:0020:2420:4821:12

83 of 83 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 21:32 on Wed 15 Aug to 23:53 on Thu 16 Aug.

    1917-08-15T13:32:15Z → 1917-08-16T15:52:45Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:14–20:36 on the 15th, 19:12–20:35 on the 16th.

    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 82 minutes on the 15th and 83 of 83 on the 16th.

    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 3364 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 1917: Thursday 16 August.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 1917 falls on Thursday 16 August. Caturdaśī runs from 21:32 on Wed 15 Aug to 23:53 on Thu 16 Aug and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1917/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 16 Aug
Ahargaṇa, classicalDisc centre, no refractionThu 16 Aug
compat-drikpanchangComparison profileThu 16 Aug
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 15thCoveredSunset 16thCoveredRuled
Los Angeles05:32 → 07:5318:4085 min18:390 min15 Aug
Chicago07:32 → 09:5318:5181 min18:500 min15 Aug
Jersey City08:32 → 10:5318:5582 min18:530 min15 Aug
Port of Spain09:32 → 11:5318:2492 min18:240 min15 Aug
London14:32 → 16:5320:2475 min20:220 min15 Aug
Durban15:32 → 17:5317:31104 min17:3121 min15 Aug
Dubai17:13 → 19:3418:3588 min18:3460 min15 Aug
Delhi19:02 → 21:2319:0185 min19:0087 min16 Aug
Kolkata19:02 → 21:2318:0935 min18:0889 min16 Aug
Singapore20:32 → 22:5318:140 min18:1395 min16 Aug
Sydney23:32 → 01:5317:240 min17:25105 min16 Aug
Suva01:32 → 03:5317:550 min17:55100 min16 Aug
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

About Ahargaṇa