Ruling · Yama Dīpadāna · 2011

Monday 24 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 146 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 Monday 24 October

Taken. The only evening Trayodaśī reaches.

17:28 sunsetpradoṣa ends 19:13
17:0417:2817:5218:1618:4019:0419:28

105 of 105 minutes covered

Evening of Tuesday 25 October

Trayodaśī is absent from pradoṣa. Not taken.

17:27 sunsetpradoṣa ends 19:12
17:0317:2717:5118:1518:3919:0319:27

0 of 106 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 15:02 on Mon 24 Oct to 11:32 on Tue 25 Oct.

    2011-10-24T07:02:07Z → 2011-10-25T03:32:08Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:28–19:13 on the 24th, 17:27–19:12 on the 25th.

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

  3. 03

    Rule

    Trayodaśī must be present during pradoṣa. It covers 105 of 105 minutes on the 24th and 0 of 106 on the 25th.

    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 8762 s

  5. 05

    Ruling

    Yama Dīpadāna, Baoding, 2011: Monday 24 October.

    confidence: determinate

Say it like this

In Baoding, Yama Dīpadāna 2011 falls on Monday 24 October. Trayodaśī runs from 15:02 on Mon 24 Oct to 11:32 on Tue 25 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2011/yama-dipadana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 24 Oct
Ahargaṇa, classicalDisc centre, no refractionMon 24 Oct
compat-drikpanchangComparison profileMon 24 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 24thCoveredSunset 25thCoveredRuled
Los Angeles00:02 → 20:3218:08104 min18:070 min24 Oct
Chicago02:02 → 22:3217:56107 min17:540 min24 Oct
Jersey City03:02 → 23:3218:03106 min18:020 min24 Oct
Port of Spain03:02 → 23:3217:4498 min17:440 min24 Oct
London08:02 → 04:3217:49111 min17:470 min24 Oct
Durban09:02 → 05:3218:1188 min18:120 min24 Oct
Dubai11:02 → 07:3217:44101 min17:430 min24 Oct
Delhi12:32 → 09:0217:43102 min17:420 min24 Oct
Kolkata12:32 → 09:0217:04100 min17:040 min24 Oct
Singapore15:02 → 11:3218:5195 min18:510 min24 Oct
Sydney18:02 → 14:3219:1586 min19:160 min24 Oct
Suva20:02 → 16:3219:0938 min19:100 min24 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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