Ruling · Yama Dīpadāna · 2033

Thursday 20 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 444 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 Thursday 20 October

Taken. The only evening Trayodaśī reaches.

17:33 sunsetpradoṣa ends 19:17
17:0917:3317:5718:2118:4519:0919:33

104 of 104 minutes covered

Evening of Friday 21 October

Trayodaśī is absent from pradoṣa. Not taken.

17:31 sunsetpradoṣa ends 19:16
17:0717:3117:5518:1918:4319:0719:31

0 of 104 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Trayodaśī runs from 07:30 on Thu 20 Oct to 10:07 on Fri 21 Oct.

    2033-10-19T23:29:55Z → 2033-10-21T02:06:49Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:33–19:17 on the 20th, 17:31–19:16 on the 21st.

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

  3. 03

    Rule

    Trayodaśī must be present during pradoṣa. It covers 104 of 104 minutes on the 20th and 0 of 104 on the 21st.

    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 26667 s

  5. 05

    Ruling

    Yama Dīpadāna, Baoding, 2033: Thursday 20 October.

    confidence: determinate

Say it like this

In Baoding, Yama Dīpadāna 2033 falls on Thursday 20 October. Trayodaśī runs from 07:30 on Thu 20 Oct to 10:07 on Fri 21 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2033/yama-dipadana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 20 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 20 Oct
compat-drikpanchangComparison profileThu 20 Oct
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/yama-dipadana · ruleset 2026.3-draft

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

“K 13 Yama dipadana (pradosa).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceTrayodaśīSunset 19thCoveredSunset 21stCoveredRuled
Los Angeles16:30 → 19:0718:13103 min18:110 min19 Oct
Chicago18:30 → 21:0718:0277 min17:590 min20 Oct
Jersey City19:30 → 22:0718:0924 min18:060 min20 Oct
Port of Spain19:30 → 22:0717:460 min17:450 min20 Oct
London00:30 → 03:0717:580 min17:540 min20 Oct
Durban01:30 → 04:0718:080 min18:100 min20 Oct
Dubai03:30 → 06:0717:480 min17:460 min20 Oct
Delhi05:00 → 07:3717:470 min17:450 min20 Oct
Kolkata05:00 → 07:3717:080 min17:060 min20 Oct
Singapore07:30 → 10:0718:520 min18:510 min20 Oct
Sydney10:30 → 13:0719:120 min19:130 min20 Oct
Suva11:30 → 14:0718:080 min18:090 min20 Oct
Profile · tradition
pac-rp@2026.1 · smarta
Rule
yama-dipadana@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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