Ruling · Dattātreyotpatti (Datta Jayanti) · 2032

Thursday 16 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 595 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 Wednesday 15 December

Pūrṇimā is absent from pradoṣa. Not taken.

16:57 sunsetpradoṣa ends 18:53
16:3316:5717:2117:4518:0918:3318:5719:21

0 of 116 minutes covered

Evening of Thursday 16 December

Taken. The only evening Pūrṇimā reaches.

16:57 sunsetpradoṣa ends 18:54
16:3316:5717:2117:4518:0918:3318:5719:21

117 of 117 minutes covered

Pūrṇimā presentPradoṣa, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 05:19 on Thu 16 Dec to 04:49 on Fri 17 Dec.

    2032-12-15T21:19:17Z → 2032-12-16T20:49:02Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 16:57–18:53 on the 15th, 16:57–18:54 on the 16th.

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

  3. 03

    Rule

    Pūrṇimā must be present during pradoṣa. It covers 0 of 116 minutes on the 15th and 117 of 117 on the 16th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Only one evening qualifies. No tie-break is needed.

    priority: unstated → only-day · margin 35720 s

  5. 05

    Ruling

    Dattātreyotpatti, Baoding, 2032: Thursday 16 December.

    confidence: determinate

Say it like this

In Baoding, Dattātreyotpatti (Datta Jayanti) 2032 falls on Thursday 16 December. Pūrṇimā runs from 05:19 on Thu 16 Dec to 04:49 on Fri 17 Dec and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2032/dattatreyotpatti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 16 Dec
Ahargaṇa, classicalDisc centre, no refractionThu 16 Dec
compat-drikpanchangComparison profileThu 16 Dec
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/dattatreyotpatti · ruleset 2026.3-draft

Month
Mārgaśīrṣa, amānta
Pakṣa · aṅga
Śukla · Pūrṇimā
Kāla
Pradoṣa
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 104

“S 15 Dattatreyotpatti (pradosa).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePūrṇimāSunset 15thCoveredSunset 16thCoveredRuled
Los Angeles13:19 → 12:4916:45113 min16:450 min15 Dec
Chicago15:19 → 14:4916:20119 min16:210 min15 Dec
Jersey City16:19 → 15:4916:30118 min16:300 min15 Dec
Port of Spain17:19 → 16:4917:46100 min17:470 min15 Dec
London21:19 → 20:4915:510 min15:51129 min16 Dec
Durban23:19 → 22:4918:530 min18:5380 min16 Dec
Dubai01:19 → 00:4917:310 min17:32107 min16 Dec
Delhi02:49 → 02:1917:260 min17:26110 min16 Dec
Kolkata02:49 → 02:1916:540 min16:55106 min16 Dec
Singapore05:19 → 04:4919:010 min19:0296 min16 Dec
Sydney08:19 → 07:4920:020 min20:0377 min16 Dec
Suva09:19 → 08:4918:380 min18:3886 min16 Dec
Profile · tradition
pac-rp@2026.1 · smarta
Rule
dattatreyotpatti@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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