Ruling · Śītalāṣṭamī · 2018

Friday 9 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 214 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 9 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 10 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 06:15 on Fri 9 Mar to 08:31 on Sat 10 Mar.

    2018-03-08T22:15:01Z → 2018-03-10T00:30:59Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 9th, 12:05–12:53 on the 10th.

    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 9th and 0 of 48 on the 10th.

    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 12829 s

  5. 05

    Ruling

    Śītalāṣṭamī, Baoding, 2018: Friday 9 March.

    confidence: determinate

Say it like this

In Baoding, Śītalāṣṭamī 2018 falls on Friday 9 March. Aṣṭamī runs from 06:15 on Fri 9 Mar to 08:31 on Sat 10 Mar and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2018/shitalashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 9 Mar
Ahargaṇa, classicalDisc centre, no refractionFri 9 Mar
compat-drikpanchangComparison profileFri 9 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 8thCoveredMadhyāhna 10thCoveredRuled
Los Angeles14:15 → 16:3111:400 min11:390 min9 Mar
Chicago16:15 → 18:3111:380 min11:370 min9 Mar
Jersey City17:15 → 19:3111:430 min11:430 min9 Mar
Port of Spain18:15 → 20:3111:530 min11:520 min9 Mar
London22:15 → 00:3111:480 min11:470 min9 Mar
Durban00:15 → 02:3111:420 min11:420 min9 Mar
Dubai02:15 → 04:3112:060 min12:050 min9 Mar
Delhi03:45 → 06:0112:080 min12:080 min9 Mar
Kolkata03:45 → 06:0111:240 min11:230 min9 Mar
Singapore06:15 → 08:3112:510 min12:510 min9 Mar
Sydney09:15 → 11:3112:420 min12:410 min9 Mar
Suva10:15 → 12:3111:530 min11:5338 min9 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

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