{"id":"vidhyamitra:city-day:surat:2004-01-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/surat/2004-01-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2004-01-13","date_display":"January 13, 2004 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":2004,"month":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453017.770833,"kali_year":5105,"ahargana":1864552.2708,"sun":{"sidereal_longitude":268.125,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":153.3237,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":245.1986,"elapsed_within_tithi_degrees":5.1986},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":153.3237,"elapsed_within_degrees":6.657},"yoga":{"number":5,"name":"Śobhana","sum_longitude":61.4487},"karana":{"half_tithi_index":40,"name":"Gara"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2004,"month":1,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2453017.770833,"ahargana":1864552.2708,"kali_year":5105,"ayanamsa_lahiri":23.9093,"grahas":{"sun":{"sidereal_longitude":268.2682400000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":151.36523999999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false,"latitude":3.6265},"mars":{"sidereal_longitude":352.54924,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":244.80074000000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":144.91544,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":303.9865400000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":74.73633999999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":27.0478,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":207.0478,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"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":2004,"month":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453017.770833,"kali_year":5105,"ahargana":1864552.2708,"sun":{"sidereal_longitude":268.125,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":153.3237,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":245.1986,"elapsed_within_tithi_degrees":5.1986},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":153.3237,"elapsed_within_degrees":6.657},"yoga":{"number":5,"name":"Śobhana","sum_longitude":61.4487},"karana":{"half_tithi_index":40,"name":"Gara"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.626,"elongation":114.801},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.626,"opposition_distance":65.199}},"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":"07:19","sunsetLocal":"18:16","solarNoonLocal":"12:47","dayLengthHours":10.952773552335735,"dayLengthDisplay":"10 Hours 57 Mins 10 Secs","nightLengthDisplay":"13 Hours 02 Mins 50 Secs","moonriseLocal":"22:54","moonsetLocal":"11:05","rahuKala":{"name":"Rāhu Kāla","start":"15:32","end":"16:54","startHours":15.52671891294016,"endHours":16.895815606982126,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:03","end":"11:25","startHours":10.050332136772292,"endHours":11.419428830814258,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:47","end":"14:09","startHours":12.788525524856226,"endHours":14.157622218898194,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:52","end":"10:14","startHours":9.867785910900029,"endHours":10.232878362644554,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:46","end":"08:04","startHours":7.768504313369014,"endHours":8.060578274764634,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:25","end":"13:09","startHours":12.4234330731117,"endHours":13.153617976600751,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:51","end":"06:35","startHours":5.851768941710261,"endHours":6.581953845199309,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:24","end":"07:19","startHours":6.3994076193270475,"endHours":7.3121387486883584,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:37","end":"15:21","startHours":14.613987783578848,"endHours":15.344172687067896,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:04","end":"18:28","startHours":18.064912301024094,"endHours":18.464912301024093,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:16","end":"18:43","startHours":18.264912301024093,"endHours":18.72127786570475,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:01","end":"19:46","startHours":18.014912301024093,"endHours":19.764912301024093,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:25","end":"01:09","startHours":24.423433073111703,"endHours":25.15361797660075,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:19","end":"08:41","startHours":7.3121387486883584,"endHours":8.681235442730326,"quality":"inauspicious"},{"name":"Udveg","start":"08:41","end":"10:03","startHours":8.681235442730326,"endHours":10.050332136772292,"quality":"inauspicious"},{"name":"Chala","start":"10:03","end":"11:25","startHours":10.050332136772292,"endHours":11.419428830814258,"quality":"neutral"},{"name":"Labha","start":"11:25","end":"12:47","startHours":11.419428830814258,"endHours":12.788525524856226,"quality":"auspicious"},{"name":"Amṛta","start":"12:47","end":"14:09","startHours":12.788525524856226,"endHours":14.157622218898194,"quality":"auspicious"},{"name":"Kāla","start":"14:09","end":"15:32","startHours":14.157622218898194,"endHours":15.52671891294016,"quality":"inauspicious"},{"name":"Śubha","start":"15:32","end":"16:54","startHours":15.52671891294016,"endHours":16.895815606982126,"quality":"auspicious"},{"name":"Roga","start":"16:54","end":"18:16","startHours":16.895815606982126,"endHours":18.264912301024093,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:16","end":"19:54","startHours":18.264912301024093,"endHours":19.895815606982126,"quality":"inauspicious"},{"name":"Śubha","start":"19:54","end":"21:32","startHours":19.895815606982126,"endHours":21.52671891294016,"quality":"auspicious"},{"name":"Roga","start":"21:32","end":"23:09","startHours":21.52671891294016,"endHours":23.157622218898194,"quality":"inauspicious"},{"name":"Udveg","start":"23:09","end":"00:47","startHours":23.157622218898194,"endHours":24.788525524856226,"quality":"inauspicious"},{"name":"Chala","start":"00:47","end":"02:25","startHours":24.788525524856226,"endHours":26.419428830814258,"quality":"neutral"},{"name":"Labha","start":"02:25","end":"04:03","startHours":26.419428830814258,"endHours":28.05033213677229,"quality":"auspicious"},{"name":"Amṛta","start":"04:03","end":"05:41","startHours":28.05033213677229,"endHours":29.681235442730326,"quality":"auspicious"},{"name":"Kāla","start":"05:41","end":"07:19","startHours":29.681235442730326,"endHours":31.31213874868836,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:19","end":"08:19","startHours":7.3121387486883584,"endHours":8.312138748688358,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:19","end":"09:19","startHours":8.312138748688358,"endHours":9.312138748688358,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:19","end":"10:19","startHours":9.312138748688358,"endHours":10.312138748688358,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:19","end":"11:19","startHours":10.312138748688358,"endHours":11.312138748688358,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:19","end":"12:19","startHours":11.312138748688358,"endHours":12.312138748688358,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:19","end":"13:19","startHours":12.312138748688358,"endHours":13.312138748688358,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:19","end":"14:19","startHours":13.312138748688358,"endHours":14.312138748688358,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:19","end":"15:19","startHours":14.312138748688358,"endHours":15.312138748688358,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:19","end":"16:19","startHours":15.312138748688358,"endHours":16.31213874868836,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:19","end":"17:19","startHours":16.31213874868836,"endHours":17.31213874868836,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:19","end":"18:19","startHours":17.31213874868836,"endHours":18.31213874868836,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:19","end":"19:19","startHours":18.31213874868836,"endHours":19.31213874868836,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:19","end":"20:19","startHours":19.31213874868836,"endHours":20.31213874868836,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:19","end":"21:19","startHours":20.31213874868836,"endHours":21.31213874868836,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:19","end":"22:19","startHours":21.31213874868836,"endHours":22.31213874868836,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:19","end":"23:19","startHours":22.31213874868836,"endHours":23.31213874868836,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:19","end":"00:19","startHours":23.31213874868836,"endHours":24.31213874868836,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:19","end":"01:19","startHours":24.31213874868836,"endHours":25.31213874868836,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:19","end":"02:19","startHours":25.31213874868836,"endHours":26.31213874868836,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:19","end":"03:19","startHours":26.31213874868836,"endHours":27.31213874868836,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:19","end":"04:19","startHours":27.31213874868836,"endHours":28.31213874868836,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:19","end":"05:19","startHours":28.31213874868836,"endHours":29.31213874868836,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:19","end":"06:19","startHours":29.31213874868836,"endHours":30.31213874868836,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:19","end":"07:19","startHours":30.31213874868836,"endHours":31.31213874868836,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"North-West","rahuVasa":"North","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-21.61128457789779,"eotMinutes":-8.635931491373626,"ayanamsa":23.9093}},"calendars":{"vikram_samvat":2061,"vikram_samvatsara":"Hemalambī","saka_samvat":1926,"saka_samvatsara":"Tāraṇa","bengali_samvat":1411,"malayalam_era":1180,"nanakshahi_year":535,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Ṣaṣṭhī · Vikram 2061 Hemalambī · Śaka 1926 Tāraṇa"},"festivals":[],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 January 13, 2004 CE · Surat, Gujarat · Vidhyamitra","description":"January 13, 2004 CE for Surat, Gujarat: Kṛṣṇa Ṣaṣṭhī, sūryodaya 07:19, sūryāsta 18:16.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/surat/2004-01-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/surat/2004-01-13","sa":"https://sa.vidhyamitra.com/city/surat/2004-01-13","hi":"https://hi.vidhyamitra.com/city/surat/2004-01-13","x-default":"https://vidhyamitra.com/city/surat/2004-01-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-06T06:00:55.362Z","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":"2026-09-06T06:00:55.362Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-06T06:00:55.362Z","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"}}}