Ruling · Rambhā Tṛtīyā · 1964

Friday 12 June

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 408 minutes.

Decide it for

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 Friday 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

Midday of Saturday 13 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

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

How it was decided

  1. 01

    Aṅga

    Tṛtīyā runs from 05:06 on Fri 12 Jun to 01:55 on Sat 13 Jun.

    1964-06-11T21:05:47Z → 1964-06-12T17:54:31Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 12th, 11:54–12:42 on the 13th.

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

  3. 03

    Rule

    Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.

    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 24488 s

  5. 05

    Ruling

    Rambhā Tṛtīyā, Baoding, 1964: Friday 12 June.

    confidence: determinate

Say it like this

In Baoding, Rambhā Tṛtīyā 1964 falls on Friday 12 June. Tṛtīyā runs from 05:06 on Fri 12 Jun to 01:55 on Sat 13 Jun and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1964/rambha-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 12 Jun
Ahargaṇa, classicalDisc centre, no refractionFri 12 Jun
compat-drikpanchangComparison profileFri 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 Angeles14:06 → 10:5512:290 min12:290 min12 Jun
Chicago16:06 → 12:5512:260 min12:2628 min12 Jun
Jersey City17:06 → 13:5512:320 min12:3248 min12 Jun
Port of Spain17:06 → 13:5511:420 min11:4248 min12 Jun
London22:06 → 18:5512:360 min12:3648 min12 Jun
Durban23:06 → 19:5511:310 min11:3248 min12 Jun
Dubai01:06 → 21:5511:540 min11:5548 min12 Jun
Delhi02:36 → 23:2511:570 min11:5748 min12 Jun
Kolkata02:36 → 23:2511:120 min11:1248 min12 Jun
Singapore04:36 → 01:2512:100 min12:1048 min12 Jun
Sydney07:06 → 03:5511:310 min11:3148 min12 Jun
Suva09:06 → 05:5511:420 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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