Ruling · Gaṅgotpatti (Ganga Saptami) · 2085

Tuesday 1 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 36 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 Monday 30 April

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:52  12:40 madhyāhna ends
Saptamī begins 13:15:47
11:0411:2811:5212:1612:4013:0413:28

0 of 48 minutes covered

Midday of Tuesday 1 May

Taken. The only midday Saptamī reaches.

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

48 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 13:16 on Mon 30 Apr to 15:38 on Tue 1 May.

    2085-04-30T05:15:48Z → 2085-05-01T07:38:12Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 30th, 11:52–12:40 on the 1st.

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

  3. 03

    Rule

    Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 48 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 2152 s

  5. 05

    Ruling

    Gaṅgotpatti, Baoding, 2085: Tuesday 1 May.

    confidence: determinate

Say it like this

In Baoding, Gaṅgotpatti (Ganga Saptami) 2085 falls on Tuesday 1 May. Saptamī runs from 13:16 on Mon 30 Apr to 15:38 on Tue 1 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2085/gangotpatti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 1 May
Ahargaṇa, classicalDisc centre, no refractionTue 1 May
compat-drikpanchangComparison profileMon 30 Apr
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 30thCoveredMadhyāhna 1stCoveredRuled
Los Angeles22:16 → 00:3812:2748 min12:270 min30 Apr
Chicago00:16 → 02:3812:2448 min12:240 min30 Apr
Jersey City01:16 → 03:3812:3048 min12:300 min30 Apr
Port of Spain01:16 → 03:3811:4048 min11:390 min30 Apr
London06:16 → 08:3812:3448 min12:340 min30 Apr
Durban07:16 → 09:3811:2948 min11:290 min30 Apr
Dubai09:16 → 11:3811:5248 min11:520 min30 Apr
Delhi10:46 → 13:0811:5548 min11:5548 min30 Apr
Kolkata10:46 → 13:0811:1048 min11:1048 min30 Apr
Singapore13:16 → 15:3812:3810 min12:3848 min30 Apr
Sydney15:16 → 17:3811:280 min11:2848 min1 May
Suva17:16 → 19:3811:400 min11:4048 min1 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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