Ruling · Rambhā Tṛtīyā · 1981

Friday 5 June

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 10 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 Thursday 4 June

Tṛtīyā is absent from madhyāhna. Not taken.

madhyāhna begins 11:52  12:40 madhyāhna ends
Tṛtīyā begins 12:50:51
11:0411:2811:5212:1612:4013:0413:28

0 of 48 minutes covered

Midday of Friday 5 June

Taken. Tṛtīyā reaches neither midday; the rule takes the second day.

madhyāhna begins 11:53  12:41 madhyāhna ends
11:0511:2911:5312:1712:4113:0513:29

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 12:51 on Thu 4 Jun to 10:14 on Fri 5 Jun.

    1981-06-04T04:50:52Z → 1981-06-05T02:13:48Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 4th, 11:53–12:41 on the 5th.

    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 4th and 0 of 48 on the 5th.

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

  4. 04

    Tie-break

    Neither midday qualifies. The rule takes the second day.

    priority: purvaviddha → second-day · margin 623 s

  5. 05

    Ruling

    Rambhā Tṛtīyā, Baoding, 1981: Friday 5 June.

    confidence: determinate

Say it like this

In Baoding, Rambhā Tṛtīyā 1981 falls on Friday 5 June. Tṛtīyā runs from 12:51 on Thu 4 Jun to 10:14 on Fri 5 Jun, and reaches madhyāhna on neither day.

ahargana.org/baoding/festivals/1981/rambha-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 5 Jun
Ahargaṇa, classicalDisc centre, no refractionFri 5 Jun
compat-drikpanchangComparison profileThu 4 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 4thCoveredMadhyāhna 5thCoveredRuled
Los Angeles21:51 → 19:1412:2748 min12:280 min4 Jun
Chicago23:51 → 21:1412:2548 min12:250 min4 Jun
Jersey City00:51 → 22:1412:3148 min12:310 min4 Jun
Port of Spain00:51 → 22:1411:4048 min11:410 min4 Jun
London05:51 → 03:1412:3548 min12:350 min4 Jun
Durban06:51 → 04:1411:3048 min11:300 min4 Jun
Dubai08:51 → 06:1411:5348 min11:530 min4 Jun
Delhi10:21 → 07:4411:5548 min11:560 min4 Jun
Kolkata10:21 → 07:4411:1148 min11:110 min4 Jun
Singapore12:21 → 09:4412:0936 min12:090 min4 Jun
Sydney14:51 → 12:1411:290 min11:2944 min5 Jun
Suva16:51 → 14:1411:400 min11:4148 min5 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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