Ruling · Gaṅgotpatti (Ganga Saptami) · 2097

Friday 17 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 242 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 17 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 18 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 07:49 on Fri 17 May to 05:58 on Sat 18 May.

    2097-05-16T23:49:04Z → 2097-05-17T21:57:44Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 17th, 11:51–12:39 on the 18th.

    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 17th and 0 of 48 on the 18th.

    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 14533 s

  5. 05

    Ruling

    Gaṅgotpatti, Baoding, 2097: Friday 17 May.

    confidence: determinate

Say it like this

In Baoding, Gaṅgotpatti (Ganga Saptami) 2097 falls on Friday 17 May. Saptamī runs from 07:49 on Fri 17 May to 05:58 on Sat 18 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2097/gangotpatti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 17 May
Ahargaṇa, classicalDisc centre, no refractionFri 17 May
compat-drikpanchangComparison profileFri 17 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 16thCoveredMadhyāhna 17thCoveredRuled
Los Angeles16:49 → 14:5812:260 min12:2648 min17 May
Chicago18:49 → 16:5812:240 min12:2448 min17 May
Jersey City19:49 → 17:5812:290 min12:2948 min17 May
Port of Spain19:49 → 17:5811:390 min11:3948 min17 May
London00:49 → 22:5812:340 min12:3448 min17 May
Durban01:49 → 23:5811:290 min11:2948 min17 May
Dubai03:49 → 01:5811:520 min11:5248 min17 May
Delhi05:19 → 03:2811:540 min11:5448 min17 May
Kolkata05:19 → 03:2811:100 min11:1048 min17 May
Singapore07:49 → 05:5812:370 min12:3748 min17 May
Sydney09:49 → 07:5811:280 min11:2848 min17 May
Suva11:49 → 09:5811:390 min11:3938 min17 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

About Ahargaṇa