Ruling · Śītalāṣṭamī · 1991

Friday 8 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 255 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 8 March

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 12:05  12:53 madhyāhna ends
11:1711:4112:0512:2912:5313:1713:41

48 of 48 minutes covered

Midday of Saturday 9 March

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:05  12:53 madhyāhna ends
11:1711:4112:0512:2912:5313:1713:41

0 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Aṣṭamī runs from 05:16 on Fri 8 Mar to 07:50 on Sat 9 Mar.

    1991-03-07T21:16:05Z → 1991-03-08T23:50:23Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 8th, 12:05–12:53 on the 9th.

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

  3. 03

    Rule

    Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 8th and 0 of 48 on the 9th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 15287 s

  5. 05

    Ruling

    Śītalāṣṭamī, Baoding, 1991: Friday 8 March.

    confidence: determinate

Say it like this

In Baoding, Śītalāṣṭamī 1991 falls on Friday 8 March. Aṣṭamī runs from 05:16 on Fri 8 Mar to 07:50 on Sat 9 Mar and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1991/shitalashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 8 Mar
Ahargaṇa, classicalDisc centre, no refractionFri 8 Mar
compat-drikpanchangComparison profileFri 8 Mar
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/shitalashtami · ruleset 2026.3-draft

Month
Phālguna, amānta
Pakṣa · aṅga
Kṛṣṇa · Aṣṭamī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 105

“K 8 Sitalastami, (purvaviddha)” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceAṣṭamīMadhyāhna 7thCoveredMadhyāhna 8thCoveredRuled
Los Angeles13:16 → 15:5011:400 min11:4048 min8 Mar
Chicago15:16 → 17:5011:380 min11:3848 min8 Mar
Jersey City16:16 → 18:5011:440 min11:4348 min8 Mar
Port of Spain17:16 → 19:5011:530 min11:5348 min8 Mar
London21:16 → 23:5011:480 min11:4848 min8 Mar
Durban23:16 → 01:5011:430 min11:4348 min8 Mar
Dubai01:16 → 03:5012:060 min12:0648 min8 Mar
Delhi02:46 → 05:2012:080 min12:0848 min8 Mar
Kolkata02:46 → 05:2011:240 min11:2448 min8 Mar
Singapore05:16 → 07:5012:520 min12:5248 min8 Mar
Sydney07:16 → 09:5011:420 min11:4248 min8 Mar
Suva09:16 → 11:5011:530 min11:5348 min8 Mar
Profile · tradition
pac-rp@2026.1 · smarta
Rule
shitalashtami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

About Ahargaṇa