{"id":"vidhyamitra:city-day:surat:2021-07-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/surat/2021-07-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2021-07-07","date_display":"July 7, 2021 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":2021,"month":7,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459402.770833,"kali_year":5123,"ahargana":1870937.2708,"sun":{"sidereal_longitude":80.5922,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":45.84,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":325.2478,"elapsed_within_tithi_degrees":1.2478},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2,"moon_longitude":45.84,"elapsed_within_degrees":5.84},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":126.4322},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2021,"month":7,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2459402.770833,"ahargana":1870937.2708,"kali_year":5123,"ayanamsa_lahiri":24.1535,"grahas":{"sun":{"sidereal_longitude":81.01838599999996,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"moon":{"sidereal_longitude":47.47008599999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false,"latitude":-0.2274},"mars":{"sidereal_longitude":111.293586,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":59.296385999999984,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":307.56868600000007,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":107.49838599999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":287.891486,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":48.7398,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":228.7398,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"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":2021,"month":7,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459402.770833,"kali_year":5123,"ahargana":1870937.2708,"sun":{"sidereal_longitude":80.5922,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":45.84,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":325.2478,"elapsed_within_tithi_degrees":1.2478},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2,"moon_longitude":45.84,"elapsed_within_degrees":5.84},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":126.4322},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.227,"elongation":34.752},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.227,"opposition_distance":145.248}},"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":"06:02","sunsetLocal":"19:24","solarNoonLocal":"12:43","dayLengthHours":13.366186974817811,"dayLengthDisplay":"13 Hours 21 Mins 58 Secs","nightLengthDisplay":"10 Hours 38 Mins 02 Secs","moonriseLocal":"03:50","moonsetLocal":"17:08","rahuKala":{"name":"Rāhu Kāla","start":"12:43","end":"14:23","startHours":12.719961665071693,"endHours":14.390735036923918,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:42","end":"09:23","startHours":7.707641549515014,"endHours":9.37841492136724,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:03","end":"12:43","startHours":11.049188293219466,"endHours":12.719961665071693,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:09","end":"09:36","startHours":9.15564513845361,"endHours":9.60118470428087,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:36","end":"06:57","startHours":6.593792634946862,"endHours":6.95022428760867,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:16","end":"13:10","startHours":12.27442209924443,"endHours":13.165501230898952,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:15","end":"05:09","startHours":4.254709914353745,"endHours":5.145789046008266,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:55","end":"06:02","startHours":4.923019263094636,"endHours":6.036868177662787,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:57","end":"15:50","startHours":14.947659494207993,"endHours":15.838738625862515,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:12","end":"19:36","startHours":19.203055152480598,"endHours":19.603055152480596,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:24","end":"19:58","startHours":19.403055152480597,"endHours":19.959979609764673,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:09","end":"20:54","startHours":19.153055152480597,"endHours":20.903055152480597,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:16","end":"01:10","startHours":24.274422099244433,"endHours":25.165501230898954,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:02","end":"07:42","startHours":6.036868177662787,"endHours":7.707641549515014,"quality":"auspicious"},{"name":"Amṛta","start":"07:42","end":"09:23","startHours":7.707641549515014,"endHours":9.37841492136724,"quality":"auspicious"},{"name":"Kāla","start":"09:23","end":"11:03","startHours":9.37841492136724,"endHours":11.049188293219466,"quality":"inauspicious"},{"name":"Śubha","start":"11:03","end":"12:43","startHours":11.049188293219466,"endHours":12.719961665071693,"quality":"auspicious"},{"name":"Roga","start":"12:43","end":"14:23","startHours":12.719961665071693,"endHours":14.390735036923918,"quality":"inauspicious"},{"name":"Udveg","start":"14:23","end":"16:04","startHours":14.390735036923918,"endHours":16.061508408776145,"quality":"inauspicious"},{"name":"Chala","start":"16:04","end":"17:44","startHours":16.061508408776145,"endHours":17.732281780628373,"quality":"neutral"},{"name":"Labha","start":"17:44","end":"19:24","startHours":17.732281780628373,"endHours":19.403055152480597,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"19:24","end":"20:44","startHours":19.403055152480597,"endHours":20.73228178062837,"quality":"inauspicious"},{"name":"Chala","start":"20:44","end":"22:04","startHours":20.73228178062837,"endHours":22.061508408776145,"quality":"neutral"},{"name":"Labha","start":"22:04","end":"23:23","startHours":22.061508408776145,"endHours":23.390735036923918,"quality":"auspicious"},{"name":"Amṛta","start":"23:23","end":"00:43","startHours":23.390735036923918,"endHours":24.719961665071693,"quality":"auspicious"},{"name":"Kāla","start":"00:43","end":"02:03","startHours":24.719961665071693,"endHours":26.049188293219466,"quality":"inauspicious"},{"name":"Śubha","start":"02:03","end":"03:23","startHours":26.049188293219466,"endHours":27.378414921367238,"quality":"auspicious"},{"name":"Roga","start":"03:23","end":"04:42","startHours":27.378414921367238,"endHours":28.70764154951501,"quality":"inauspicious"},{"name":"Udveg","start":"04:42","end":"06:02","startHours":28.70764154951501,"endHours":30.036868177662786,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:02","end":"07:02","startHours":6.036868177662787,"endHours":7.036868177662787,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:02","end":"08:02","startHours":7.036868177662787,"endHours":8.036868177662786,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:02","end":"09:02","startHours":8.036868177662786,"endHours":9.036868177662786,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:02","end":"10:02","startHours":9.036868177662786,"endHours":10.036868177662786,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:02","end":"11:02","startHours":10.036868177662786,"endHours":11.036868177662786,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:02","end":"12:02","startHours":11.036868177662786,"endHours":12.036868177662786,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:02","end":"13:02","startHours":12.036868177662786,"endHours":13.036868177662786,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:02","end":"14:02","startHours":13.036868177662786,"endHours":14.036868177662786,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:02","end":"15:02","startHours":14.036868177662786,"endHours":15.036868177662786,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:02","end":"16:02","startHours":15.036868177662786,"endHours":16.036868177662786,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:02","end":"17:02","startHours":16.036868177662786,"endHours":17.036868177662786,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:02","end":"18:02","startHours":17.036868177662786,"endHours":18.036868177662786,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:02","end":"19:02","startHours":18.036868177662786,"endHours":19.036868177662786,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:02","end":"20:02","startHours":19.036868177662786,"endHours":20.036868177662786,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:02","end":"21:02","startHours":20.036868177662786,"endHours":21.036868177662786,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:02","end":"22:02","startHours":21.036868177662786,"endHours":22.036868177662786,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:02","end":"23:02","startHours":22.036868177662786,"endHours":23.036868177662786,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:02","end":"00:02","startHours":23.036868177662786,"endHours":24.036868177662786,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:02","end":"01:02","startHours":24.036868177662786,"endHours":25.036868177662786,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:02","end":"02:02","startHours":25.036868177662786,"endHours":26.036868177662786,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:02","end":"03:02","startHours":26.036868177662786,"endHours":27.036868177662786,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:02","end":"04:02","startHours":27.036868177662786,"endHours":28.036868177662786,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:02","end":"05:02","startHours":28.036868177662786,"endHours":29.036868177662786,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:02","end":"06:02","startHours":29.036868177662786,"endHours":30.036868177662786,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"South-West","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":22.573575857932248,"eotMinutes":-4.522099904301516,"ayanamsa":24.1535}},"calendars":{"vikram_samvat":2078,"vikram_samvatsara":"Ānanda","saka_samvat":1943,"saka_samvatsara":"Plava","bengali_samvat":1428,"malayalam_era":1197,"nanakshahi_year":552,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āṣāḍha","lunar_month_amanta":"Jyeṣṭha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Kṛṣṇa Trayodaśī · Vikram 2078 Ānanda · Śaka 1943 Plava"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Dedicated festival walk for Pradoṣa Vrata is not live yet; Budhavāra (Wednesday) — 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 July 7, 2021 CE · Surat, Gujarat · Vidhyamitra","description":"July 7, 2021 CE for Surat, Gujarat: Kṛṣṇa Trayodaśī, sūryodaya 06:02, sūryāsta 19:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/surat/2021-07-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/surat/2021-07-07","sa":"https://sa.vidhyamitra.com/city/surat/2021-07-07","hi":"https://hi.vidhyamitra.com/city/surat/2021-07-07","x-default":"https://vidhyamitra.com/city/surat/2021-07-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-11T23:08:45.733Z","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":"2026-09-11T23:08:45.733Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-11T23:08:45.733Z","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"}}}