Ruling · Gaṅgotpatti (Ganga Saptami) · 2067

Friday 20 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 508 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 Friday 20 May

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:51  12:39 madhyāhna ends
11:0311:2711:5112:1512:3913:0313:27

48 of 48 minutes covered

Midday of Saturday 21 May

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:51  12:39 madhyāhna ends
11:0311:2711:5112:1512:3913:0313:27

0 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Saptamī runs from 00:59 on Fri 20 May to 03:23 on Sat 21 May.

    2067-05-19T16:59:07Z → 2067-05-20T19:23:25Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 20th, 11:51–12:39 on the 21st.

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

  3. 03

    Rule

    Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.

    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 30468 s

  5. 05

    Ruling

    Gaṅgotpatti, Baoding, 2067: Friday 20 May.

    confidence: determinate

Say it like this

In Baoding, Gaṅgotpatti (Ganga Saptami) 2067 falls on Friday 20 May. Saptamī runs from 00:59 on Fri 20 May to 03:23 on Sat 21 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2067/gangotpatti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 20 May
Ahargaṇa, classicalDisc centre, no refractionFri 20 May
compat-drikpanchangComparison profileFri 20 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/gangotpatti · ruleset 2026.3-draft

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

“S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceSaptamīMadhyāhna 19thCoveredMadhyāhna 20thCoveredRuled
Los Angeles09:59 → 12:2312:2648 min12:260 min19 May
Chicago11:59 → 14:2312:2448 min12:2448 min19 May
Jersey City12:59 → 15:2312:2918 min12:2948 min19 May
Port of Spain12:59 → 15:2311:390 min11:3948 min20 May
London17:59 → 20:2312:340 min12:3448 min20 May
Durban18:59 → 21:2311:280 min11:2948 min20 May
Dubai20:59 → 23:2311:520 min11:5248 min20 May
Delhi22:29 → 00:5311:540 min11:5448 min20 May
Kolkata22:29 → 00:5311:090 min11:0948 min20 May
Singapore00:59 → 03:2312:370 min12:3748 min20 May
Sydney02:59 → 05:2311:280 min11:2848 min20 May
Suva04:59 → 07:2311:390 min11:3948 min20 May
Profile · tradition
pac-rp@2026.1 · smarta
Rule
gangotpatti@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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