Ruling · Rambhā Tṛtīyā · 2071

Sunday 31 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 16 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Sunday 31 May

Taken. The only midday Tṛtīyā reaches.

madhyāhna begins 11:52  12:40 madhyāhna ends
Tṛtīyā begins 12:23:55
11:0411:2811:5212:1612:4013:0413:28

16 of 48 minutes covered, the last 16

Midday of Monday 1 June

Tṛtīyā is absent from madhyāhna. Not taken.

madhyāhna begins 11:52  12:40 madhyāhna ends
11:0411:2811:5212:1612:4013:0413:28

0 of 48 minutes covered

Tṛtīyā presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Tṛtīyā runs from 12:24 on Sun 31 May to 08:56 on Mon 1 Jun.

    2071-05-31T04:23:55Z → 2071-06-01T00:55:50Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 31st, 11:52–12:40 on the 1st.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Tṛtīyā must be present during madhyāhna. It covers 16 of 48 minutes on the 31st and 0 of 48 on the 1st.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102

  4. 04

    Tie-break

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

    priority: purvaviddha → only-day · margin 981 s

  5. 05

    Ruling

    Rambhā Tṛtīyā, Baoding, 2071: Sunday 31 May.

    confidence: determinate

Say it like this

In Baoding, Rambhā Tṛtīyā 2071 falls on Sunday 31 May. Tṛtīyā runs from 12:24 on Sun 31 May to 08:56 on Mon 1 Jun and covers 16 of 48 minutes of madhyāhna that midday.

ahargana.org/baoding/festivals/2071/rambha-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 31 May
Ahargaṇa, classicalDisc centre, no refractionSun 31 May
compat-drikpanchangComparison profileSun 31 May
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/rambha-tritiya · ruleset 2026.3-draft

Month
Jyeṣṭha, amānta
Pakṣa · aṅga
Śukla · Tṛtīyā
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 102

“S 3 Rambha trtiya (purvaviddha).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceTṛtīyāMadhyāhna 31stCoveredMadhyāhna 1stCoveredRuled
Los Angeles21:24 → 17:5612:2748 min12:270 min31 May
Chicago23:24 → 19:5612:2548 min12:250 min31 May
Jersey City00:24 → 20:5612:3148 min12:310 min31 May
Port of Spain00:24 → 20:5611:4048 min11:400 min31 May
London05:24 → 01:5612:3548 min12:350 min31 May
Durban06:24 → 02:5611:3048 min11:300 min31 May
Dubai08:24 → 04:5611:5348 min11:530 min31 May
Delhi09:54 → 06:2611:5548 min11:550 min31 May
Kolkata09:54 → 06:2611:1148 min11:110 min31 May
Singapore12:24 → 08:5612:3948 min12:390 min31 May
Sydney14:24 → 10:5611:290 min11:290 min1 Jun
Suva16:24 → 12:5611:400 min11:4048 min1 Jun
Profile · tradition
pac-rp@2026.1 · smarta
Rule
rambha-tritiya@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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