{"id":"vidhyamitra:city-day:howrah:2029-09-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2029-09-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2029-09-13","date_display":"September 13, 2029 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2029,"month":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462392.770833,"kali_year":5131,"ahargana":1873927.2708,"sun":{"sidereal_longitude":145.4877,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":206.0092,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":60.5215,"elapsed_within_tithi_degrees":0.5215},"nakshatra":{"number":16,"name":"Viśākhā","pada":2,"moon_longitude":206.0092,"elapsed_within_degrees":6.0092},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":351.4969},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":2029,"month":9,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2462392.770833,"ahargana":1873927.2708,"kali_year":5131,"ayanamsa_lahiri":24.2679,"grahas":{"sun":{"sidereal_longitude":146.282246,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":209.89574600000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false,"latitude":-3.1416},"mars":{"sidereal_longitude":208.32184600000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":151.73384599999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":183.55644600000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":188.28974600000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":30.633546000000024,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":250.3152,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":70.3152,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2029,"month":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462392.770833,"kali_year":5131,"ahargana":1873927.2708,"sun":{"sidereal_longitude":145.4877,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":206.0092,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":60.5215,"elapsed_within_tithi_degrees":0.5215},"nakshatra":{"number":16,"name":"Viśākhā","pada":2,"moon_longitude":206.0092,"elapsed_within_degrees":6.0092},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":351.4969},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.142,"elongation":60.521},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.142,"opposition_distance":119.479}},"eclipse_window_40days":[]},"city":{"slug":"howrah","name":"Howrah, West Bengal","lat":22.5958,"lon":88.2636,"tz_offset_hours":5.5,"state":"West Bengal","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"howrah","name":"Howrah, West Bengal","lat":22.5958,"lon":88.2636,"tz_offset_hours":5.5,"state":"West Bengal","country":"IN","tier":"tier-1"},"sunriseLocal":"05:22","sunsetLocal":"17:42","solarNoonLocal":"11:32","dayLengthHours":12.328714836009608,"dayLengthDisplay":"12 Hours 19 Mins 43 Secs","nightLengthDisplay":"11 Hours 40 Mins 17 Secs","moonriseLocal":"10:17","moonsetLocal":"21:17","rahuKala":{"name":"Rāhu Kāla","start":"13:05","end":"14:37","startHours":13.07761817233677,"endHours":14.61870752683797,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:22","end":"06:55","startHours":5.372171399830764,"endHours":6.913260754331965,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:27","end":"10:00","startHours":8.454350108833166,"endHours":9.995439463334368,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:15","end":"08:40","startHours":8.248871528233005,"endHours":8.659828689433326,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:53","end":"06:13","startHours":5.885867851331164,"endHours":6.21463358029142,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:08","end":"11:57","startHours":11.125571656635246,"endHours":11.947485979035887,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:44","end":"04:33","startHours":3.728342755029483,"endHours":4.550257077430123,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:21","end":"05:22","startHours":4.344778496829964,"endHours":5.372171399830764,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:35","end":"14:25","startHours":13.59131462383717,"endHours":14.41322894623781,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:30","end":"17:54","startHours":17.500886235840373,"endHours":17.90088623584037,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:42","end":"18:13","startHours":17.700886235840372,"endHours":18.214582687340773,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:27","end":"19:12","startHours":17.450886235840372,"endHours":19.200886235840372,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:08","end":"23:57","startHours":23.12557165663525,"endHours":23.947485979035886,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:22","end":"06:55","startHours":5.372171399830764,"endHours":6.913260754331965,"quality":"auspicious"},{"name":"Roga","start":"06:55","end":"08:27","startHours":6.913260754331965,"endHours":8.454350108833166,"quality":"inauspicious"},{"name":"Udveg","start":"08:27","end":"10:00","startHours":8.454350108833166,"endHours":9.995439463334368,"quality":"inauspicious"},{"name":"Chala","start":"10:00","end":"11:32","startHours":9.995439463334368,"endHours":11.536528817835567,"quality":"neutral"},{"name":"Labha","start":"11:32","end":"13:05","startHours":11.536528817835567,"endHours":13.07761817233677,"quality":"auspicious"},{"name":"Amṛta","start":"13:05","end":"14:37","startHours":13.07761817233677,"endHours":14.61870752683797,"quality":"auspicious"},{"name":"Kāla","start":"14:37","end":"16:10","startHours":14.61870752683797,"endHours":16.15979688133917,"quality":"inauspicious"},{"name":"Śubha","start":"16:10","end":"17:42","startHours":16.15979688133917,"endHours":17.700886235840372,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:42","end":"19:10","startHours":17.700886235840372,"endHours":19.159796881339172,"quality":"auspicious"},{"name":"Kāla","start":"19:10","end":"20:37","startHours":19.159796881339172,"endHours":20.61870752683797,"quality":"inauspicious"},{"name":"Śubha","start":"20:37","end":"22:05","startHours":20.61870752683797,"endHours":22.07761817233677,"quality":"auspicious"},{"name":"Roga","start":"22:05","end":"23:32","startHours":22.07761817233677,"endHours":23.536528817835567,"quality":"inauspicious"},{"name":"Udveg","start":"23:32","end":"01:00","startHours":23.536528817835567,"endHours":24.995439463334368,"quality":"inauspicious"},{"name":"Chala","start":"01:00","end":"02:27","startHours":24.995439463334368,"endHours":26.454350108833168,"quality":"neutral"},{"name":"Labha","start":"02:27","end":"03:55","startHours":26.454350108833168,"endHours":27.913260754331965,"quality":"auspicious"},{"name":"Amṛta","start":"03:55","end":"05:22","startHours":27.913260754331965,"endHours":29.372171399830762,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:22","end":"06:22","startHours":5.372171399830764,"endHours":6.372171399830764,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:22","end":"07:22","startHours":6.372171399830764,"endHours":7.372171399830764,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:22","end":"08:22","startHours":7.372171399830764,"endHours":8.372171399830764,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:22","end":"09:22","startHours":8.372171399830764,"endHours":9.372171399830764,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:22","end":"10:22","startHours":9.372171399830764,"endHours":10.372171399830764,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:22","end":"11:22","startHours":10.372171399830764,"endHours":11.372171399830764,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:22","end":"12:22","startHours":11.372171399830764,"endHours":12.372171399830764,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:22","end":"13:22","startHours":12.372171399830764,"endHours":13.372171399830764,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:22","end":"14:22","startHours":13.372171399830764,"endHours":14.372171399830764,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:22","end":"15:22","startHours":14.372171399830764,"endHours":15.372171399830764,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:22","end":"16:22","startHours":15.372171399830764,"endHours":16.372171399830762,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:22","end":"17:22","startHours":16.372171399830762,"endHours":17.372171399830762,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:22","end":"18:22","startHours":17.372171399830762,"endHours":18.372171399830762,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:22","end":"19:22","startHours":18.372171399830762,"endHours":19.372171399830762,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:22","end":"20:22","startHours":19.372171399830762,"endHours":20.372171399830762,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:22","end":"21:22","startHours":20.372171399830762,"endHours":21.372171399830762,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:22","end":"22:22","startHours":21.372171399830762,"endHours":22.372171399830762,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:22","end":"23:22","startHours":22.372171399830762,"endHours":23.372171399830762,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:22","end":"00:22","startHours":23.372171399830762,"endHours":24.372171399830762,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:22","end":"01:22","startHours":24.372171399830762,"endHours":25.372171399830762,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:22","end":"02:22","startHours":25.372171399830762,"endHours":26.372171399830762,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:22","end":"03:22","startHours":26.372171399830762,"endHours":27.372171399830762,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:22","end":"04:22","startHours":27.372171399830762,"endHours":28.372171399830762,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:22","end":"05:22","startHours":28.372171399830762,"endHours":29.372171399830762,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North","rahuVasa":"North-West","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":3.7441610875152147,"eotMinutes":4.753870929866006,"ayanamsa":24.2679}},"calendars":{"vikram_samvat":2086,"vikram_samvatsara":"Dundubhi","saka_samvat":1951,"saka_samvatsara":"Saumya","bengali_samvat":1436,"malayalam_era":1205,"nanakshahi_year":560,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Ṣaṣṭhī · Vikram 2086 Dundubhi · Śaka 1951 Saumya"},"festivals":[{"id":"subrahmanya-shashthi","name":"Subrahmaṇya Ṣaṣṭhī","name_sanskrit":"सुब्रह्मण्य षष्ठी","tradition":"Shaiva","associated_deity":"Kārttikeya","significance":"Worship of Kārttikeya as Subrahmaṇya.","vrata":true,"detection":{"tithi_number":6,"tithi_paksha":"Śukla","lunar_month":"Bhādrapada"},"precedence":4}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Dedicated festival walk for Subrahmaṇya Ṣaṣṭhī is not live yet; Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"howrah"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga September 13, 2029 CE · Howrah, West Bengal · Vidhyamitra","description":"September 13, 2029 CE for Howrah, West Bengal: Śukla Ṣaṣṭhī, sūryodaya 05:22, sūryāsta 17:42.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2029-09-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2029-09-13","sa":"https://sa.vidhyamitra.com/city/howrah/2029-09-13","hi":"https://hi.vidhyamitra.com/city/howrah/2029-09-13","x-default":"https://vidhyamitra.com/city/howrah/2029-09-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-11T13:13:27.746Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-09-11T13:13:27.746Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-11T13:13:27.746Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}