Ruling · Rambhā Tṛtīyā · 1975

Thursday 12 June

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 536 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 Wednesday 11 June

Tṛtīyā is absent from madhyāhna. Not taken.

madhyāhna begins 11:54  12:42 madhyāhna ends
11:0611:3011:5412:1812:4213:0613:30

0 of 48 minutes covered

Midday of Thursday 12 June

Taken. The only midday Tṛtīyā reaches.

madhyāhna begins 11:54  12:42 madhyāhna ends
11:0611:3011:5412:1812:4213:0613:30

48 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 23:43 on Wed 11 Jun to 21:38 on Thu 12 Jun.

    1975-06-11T15:42:55Z → 1975-06-12T13:38:10Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 11th, 11:54–12:42 on the 12th.

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

  3. 03

    Rule

    Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.

    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 32180 s

  5. 05

    Ruling

    Rambhā Tṛtīyā, Baoding, 1975: Thursday 12 June.

    confidence: determinate

Say it like this

In Baoding, Rambhā Tṛtīyā 1975 falls on Thursday 12 June. Tṛtīyā runs from 23:43 on Wed 11 Jun to 21:38 on Thu 12 Jun and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1975/rambha-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 12 Jun
Ahargaṇa, classicalDisc centre, no refractionThu 12 Jun
compat-drikpanchangComparison profileThu 12 Jun
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 11thCoveredMadhyāhna 12thCoveredRuled
Los Angeles08:43 → 06:3812:2948 min12:290 min11 Jun
Chicago10:43 → 08:3812:2648 min12:260 min11 Jun
Jersey City11:43 → 09:3812:3248 min12:320 min11 Jun
Port of Spain11:43 → 09:3811:4247 min11:420 min11 Jun
London16:43 → 14:3812:360 min12:3648 min12 Jun
Durban17:43 → 15:3811:310 min11:3148 min12 Jun
Dubai19:43 → 17:3811:540 min11:5448 min12 Jun
Delhi21:13 → 19:0811:570 min11:5748 min12 Jun
Kolkata21:13 → 19:0811:120 min11:1248 min12 Jun
Singapore23:13 → 21:0812:100 min12:1048 min12 Jun
Sydney01:43 → 23:3811:300 min11:3148 min12 Jun
Suva03:43 → 01:3811:420 min11:4248 min12 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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