{"id":"vidhyamitra:city-day:surat:2000-09-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/surat/2000-09-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2000-09-04","date_display":"September 4, 2000 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":2000,"month":9,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451791.770833,"kali_year":5102,"ahargana":1863326.2708,"sun":{"sidereal_longitude":137.261,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":207.841,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":70.5799,"elapsed_within_tithi_degrees":10.5799},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":207.841,"elapsed_within_degrees":7.841},"yoga":{"number":26,"name":"Indra","sum_longitude":345.102},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2000,"month":9,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2451791.770833,"ahargana":1863326.2708,"kali_year":5102,"ayanamsa_lahiri":23.8624,"grahas":{"sun":{"sidereal_longitude":137.960782,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":209.32368199999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false,"latitude":4.0495},"mars":{"sidereal_longitude":117.87548200000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":149.509882,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":46.278682,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":160.93288200000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":36.991782,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":92.0072,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":272.0072,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":2000,"month":9,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451791.770833,"kali_year":5102,"ahargana":1863326.2708,"sun":{"sidereal_longitude":137.261,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":207.841,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":70.5799,"elapsed_within_tithi_degrees":10.5799},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":207.841,"elapsed_within_degrees":7.841},"yoga":{"number":26,"name":"Indra","sum_longitude":345.102},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.049,"elongation":70.58},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.049,"opposition_distance":109.42}},"eclipse_window_40days":[]},"city":{"slug":"surat","name":"Surat, Gujarat","lat":21.1702,"lon":72.8311,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"mega","elevation_m":13},"tier2":{"city":{"slug":"surat","name":"Surat, Gujarat","lat":21.1702,"lon":72.8311,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"mega","elevation_m":13},"sunriseLocal":"06:22","sunsetLocal":"18:52","solarNoonLocal":"12:37","dayLengthHours":12.490301584109318,"dayLengthDisplay":"12 Hours 29 Mins 25 Secs","nightLengthDisplay":"11 Hours 30 Mins 35 Secs","moonriseLocal":"11:50","moonsetLocal":"22:55","rahuKala":{"name":"Rāhu Kāla","start":"07:56","end":"09:30","startHours":7.935766304338071,"endHours":9.497054002351735,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:04","end":"12:37","startHours":11.0583417003654,"endHours":12.619629398379065,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:11","end":"15:45","startHours":14.18091709639273,"endHours":15.742204794406394,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:17","end":"09:42","startHours":9.288882309283247,"endHours":9.705225695420225,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:54","end":"07:14","startHours":6.894907838995628,"endHours":7.22798254790521,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:12","end":"13:02","startHours":12.203286012242087,"endHours":13.035972784516042,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:43","end":"05:33","startHours":4.709105061776498,"endHours":5.541791834050452,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:20","end":"06:22","startHours":5.333620140981964,"endHours":6.3744786063244065,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:42","end":"15:32","startHours":14.701346329063952,"endHours":15.534033101337906,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:40","end":"19:04","startHours":18.664780190433724,"endHours":19.064780190433723,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:52","end":"19:23","startHours":18.864780190433724,"endHours":19.385209423104946,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:37","end":"20:22","startHours":18.614780190433724,"endHours":20.364780190433724,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:12","end":"01:02","startHours":24.20328601224209,"endHours":25.03597278451604,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:22","end":"07:56","startHours":6.3744786063244065,"endHours":7.935766304338071,"quality":"auspicious"},{"name":"Kāla","start":"07:56","end":"09:30","startHours":7.935766304338071,"endHours":9.497054002351735,"quality":"inauspicious"},{"name":"Śubha","start":"09:30","end":"11:04","startHours":9.497054002351735,"endHours":11.0583417003654,"quality":"auspicious"},{"name":"Roga","start":"11:04","end":"12:37","startHours":11.0583417003654,"endHours":12.619629398379065,"quality":"inauspicious"},{"name":"Udveg","start":"12:37","end":"14:11","startHours":12.619629398379065,"endHours":14.18091709639273,"quality":"inauspicious"},{"name":"Chala","start":"14:11","end":"15:45","startHours":14.18091709639273,"endHours":15.742204794406394,"quality":"neutral"},{"name":"Labha","start":"15:45","end":"17:18","startHours":15.742204794406394,"endHours":17.30349249242006,"quality":"auspicious"},{"name":"Amṛta","start":"17:18","end":"18:52","startHours":17.30349249242006,"endHours":18.864780190433724,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:52","end":"20:18","startHours":18.864780190433724,"endHours":20.30349249242006,"quality":"neutral"},{"name":"Labha","start":"20:18","end":"21:45","startHours":20.30349249242006,"endHours":21.742204794406394,"quality":"auspicious"},{"name":"Amṛta","start":"21:45","end":"23:11","startHours":21.742204794406394,"endHours":23.18091709639273,"quality":"auspicious"},{"name":"Kāla","start":"23:11","end":"00:37","startHours":23.18091709639273,"endHours":24.619629398379065,"quality":"inauspicious"},{"name":"Śubha","start":"00:37","end":"02:04","startHours":24.619629398379065,"endHours":26.0583417003654,"quality":"auspicious"},{"name":"Roga","start":"02:04","end":"03:30","startHours":26.0583417003654,"endHours":27.497054002351735,"quality":"inauspicious"},{"name":"Udveg","start":"03:30","end":"04:56","startHours":27.497054002351735,"endHours":28.93576630433807,"quality":"inauspicious"},{"name":"Chala","start":"04:56","end":"06:22","startHours":28.93576630433807,"endHours":30.374478606324406,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:22","end":"07:22","startHours":6.3744786063244065,"endHours":7.3744786063244065,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:22","end":"08:22","startHours":7.3744786063244065,"endHours":8.374478606324406,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:22","end":"09:22","startHours":8.374478606324406,"endHours":9.374478606324406,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:22","end":"10:22","startHours":9.374478606324406,"endHours":10.374478606324406,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:22","end":"11:22","startHours":10.374478606324406,"endHours":11.374478606324406,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:22","end":"12:22","startHours":11.374478606324406,"endHours":12.374478606324406,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:22","end":"13:22","startHours":12.374478606324406,"endHours":13.374478606324406,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:22","end":"14:22","startHours":13.374478606324406,"endHours":14.374478606324406,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:22","end":"15:22","startHours":14.374478606324406,"endHours":15.374478606324406,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:22","end":"16:22","startHours":15.374478606324406,"endHours":16.374478606324406,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:22","end":"17:22","startHours":16.374478606324406,"endHours":17.374478606324406,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:22","end":"18:22","startHours":17.374478606324406,"endHours":18.374478606324406,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:22","end":"19:22","startHours":18.374478606324406,"endHours":19.374478606324406,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:22","end":"20:22","startHours":19.374478606324406,"endHours":20.374478606324406,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:22","end":"21:22","startHours":20.374478606324406,"endHours":21.374478606324406,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:22","end":"22:22","startHours":21.374478606324406,"endHours":22.374478606324406,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:22","end":"23:22","startHours":22.374478606324406,"endHours":23.374478606324406,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:22","end":"00:22","startHours":23.374478606324406,"endHours":24.374478606324406,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:22","end":"01:22","startHours":24.374478606324406,"endHours":25.374478606324406,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:22","end":"02:22","startHours":25.374478606324406,"endHours":26.374478606324406,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:22","end":"03:22","startHours":26.374478606324406,"endHours":27.374478606324406,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:22","end":"04:22","startHours":27.374478606324406,"endHours":28.374478606324406,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:22","end":"05:22","startHours":28.374478606324406,"endHours":29.374478606324406,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:22","end":"06:22","startHours":29.374478606324406,"endHours":30.374478606324406,"planetary_lord":"Venus"}],"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":"East (Pūrva)","chandraVasa":"North","rahuVasa":"North-East","anandadiYoga":{"name":"Śubha","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":7.127217369844048,"eotMinutes":1.4978360972560227,"ayanamsa":23.8624}},"calendars":{"vikram_samvat":2057,"vikram_samvatsara":"Vijaya","saka_samvat":1922,"saka_samvatsara":"Vikrama","bengali_samvat":1407,"malayalam_era":1176,"nanakshahi_year":531,"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 2057 Vijaya · Śaka 1922 Vikrama"},"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":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7, 6.34-35.","step_count":5,"url":"/walk/chandra-walk","steps":[{"label":"BG 6.5","url":"/bhagavad-gita/6/5","purpose":"Lift the self by the Self; begin the walk with inner responsibility."},{"label":"BG 6.6","url":"/bhagavad-gita/6/6","purpose":"See the mind as friend when mastered and enemy when unmastered."},{"label":"BG 6.7","url":"/bhagavad-gita/6/7","purpose":"Stabilize the conquered mind in heat/cold, honor/dishonor, pleasure/pain."},{"label":"BG 6.34","url":"/bhagavad-gita/6/34","purpose":"Name the restless mind honestly before trying to discipline it."},{"label":"BG 6.35","url":"/bhagavad-gita/6/35","purpose":"Complete with abhyāsa and vairāgya: practice and detachment."}]},"reason":"Dedicated festival walk for Subrahmaṇya Ṣaṣṭhī is not live yet; Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"surat"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga September 4, 2000 CE · Surat, Gujarat · Vidhyamitra","description":"September 4, 2000 CE for Surat, Gujarat: Śukla Ṣaṣṭhī, sūryodaya 06:22, sūryāsta 18:52.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/surat/2000-09-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/surat/2000-09-04","sa":"https://sa.vidhyamitra.com/city/surat/2000-09-04","hi":"https://hi.vidhyamitra.com/city/surat/2000-09-04","x-default":"https://vidhyamitra.com/city/surat/2000-09-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-06T07:28:36.854Z","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":"2026-09-06T07:28:36.854Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-06T07:28:36.854Z","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"}}}