{"id":"vidhyamitra:city-day:mathura:1973-07-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mathura/1973-07-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1973-07-18","date_display":"July 18, 1973 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":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1973,"month":7,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441881.770833,"kali_year":5075,"ahargana":1853416.2708,"sun":{"sidereal_longitude":91.4069,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":302.0854,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":210.6785,"elapsed_within_tithi_degrees":6.6785},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3,"moon_longitude":302.0854,"elapsed_within_degrees":8.7521},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":33.4924},"karana":{"half_tithi_index":35,"name":"Viṣṭi"},"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":1973,"month":7,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2441881.770833,"ahargana":1853416.2708,"kali_year":5075,"ayanamsa_lahiri":23.4834,"grahas":{"sun":{"sidereal_longitude":91.79391699999996,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"moon":{"sidereal_longitude":300.173317,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false,"latitude":3.1803},"mars":{"sidereal_longitude":353.744917,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":95.716117,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":285.649817,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":true},"venus":{"sidereal_longitude":118.34841699999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":65.00991699999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":257.0867,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":77.0867,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"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":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1973,"month":7,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441881.770833,"kali_year":5075,"ahargana":1853416.2708,"sun":{"sidereal_longitude":91.4069,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":302.0854,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":210.6785,"elapsed_within_tithi_degrees":6.6785},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3,"moon_longitude":302.0854,"elapsed_within_degrees":8.7521},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":33.4924},"karana":{"half_tithi_index":35,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.18,"elongation":149.321},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.18,"opposition_distance":30.679}},"eclipse_window_40days":[]},"city":{"slug":"mathura","name":"Mathurā","lat":27.4924,"lon":77.6737,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"mathura","name":"Mathurā","lat":27.4924,"lon":77.6737,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"05:35","sunsetLocal":"19:16","solarNoonLocal":"12:25","dayLengthHours":13.680030281926431,"dayLengthDisplay":"13 Hours 40 Mins 48 Secs","nightLengthDisplay":"10 Hours 19 Mins 12 Secs","moonriseLocal":"20:45","moonsetLocal":"07:52","rahuKala":{"name":"Rāhu Kāla","start":"12:25","end":"14:08","startHours":12.419351935341815,"endHours":14.12935572058262,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:17","end":"09:00","startHours":7.289340579619404,"endHours":8.999344364860209,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:43","end":"12:25","startHours":10.709348150101011,"endHours":12.419351935341815,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:46","end":"09:14","startHours":8.771343860161434,"endHours":9.227344869558982,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:09","end":"06:31","startHours":6.1493380561255355,"endHours":6.5141388636435735,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:53","startHours":11.963350925944269,"endHours":12.875352944739365,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:45","end":"04:40","startHours":3.75533275678841,"endHours":4.667334775583505,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:26","end":"05:35","startHours":4.439334270884732,"endHours":5.579336794378601,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:42","end":"15:37","startHours":14.699356982329554,"endHours":15.611359001124649,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:04","end":"19:28","startHours":19.059367076305033,"endHours":19.459367076305032,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:16","end":"19:50","startHours":19.259367076305033,"endHours":19.829368338051967,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:01","end":"20:46","startHours":19.009367076305033,"endHours":20.759367076305033,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:53","startHours":23.96335092594427,"endHours":24.87535294473936,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:35","end":"07:17","startHours":5.579336794378601,"endHours":7.289340579619404,"quality":"auspicious"},{"name":"Amṛta","start":"07:17","end":"09:00","startHours":7.289340579619404,"endHours":8.999344364860209,"quality":"auspicious"},{"name":"Kāla","start":"09:00","end":"10:43","startHours":8.999344364860209,"endHours":10.709348150101011,"quality":"inauspicious"},{"name":"Śubha","start":"10:43","end":"12:25","startHours":10.709348150101011,"endHours":12.419351935341815,"quality":"auspicious"},{"name":"Roga","start":"12:25","end":"14:08","startHours":12.419351935341815,"endHours":14.12935572058262,"quality":"inauspicious"},{"name":"Udveg","start":"14:08","end":"15:50","startHours":14.12935572058262,"endHours":15.839359505823424,"quality":"inauspicious"},{"name":"Chala","start":"15:50","end":"17:33","startHours":15.839359505823424,"endHours":17.54936329106423,"quality":"neutral"},{"name":"Labha","start":"17:33","end":"19:16","startHours":17.54936329106423,"endHours":19.259367076305033,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"19:16","end":"20:33","startHours":19.259367076305033,"endHours":20.54936329106423,"quality":"inauspicious"},{"name":"Chala","start":"20:33","end":"21:50","startHours":20.54936329106423,"endHours":21.839359505823424,"quality":"neutral"},{"name":"Labha","start":"21:50","end":"23:08","startHours":21.839359505823424,"endHours":23.12935572058262,"quality":"auspicious"},{"name":"Amṛta","start":"23:08","end":"00:25","startHours":23.12935572058262,"endHours":24.419351935341815,"quality":"auspicious"},{"name":"Kāla","start":"00:25","end":"01:43","startHours":24.419351935341815,"endHours":25.709348150101015,"quality":"inauspicious"},{"name":"Śubha","start":"01:43","end":"03:00","startHours":25.709348150101015,"endHours":26.99934436486021,"quality":"auspicious"},{"name":"Roga","start":"03:00","end":"04:17","startHours":26.99934436486021,"endHours":28.289340579619406,"quality":"inauspicious"},{"name":"Udveg","start":"04:17","end":"05:35","startHours":28.289340579619406,"endHours":29.5793367943786,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:35","end":"06:35","startHours":5.579336794378601,"endHours":6.579336794378601,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:35","end":"07:35","startHours":6.579336794378601,"endHours":7.579336794378601,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:35","end":"08:35","startHours":7.579336794378601,"endHours":8.579336794378602,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:35","end":"09:35","startHours":8.579336794378602,"endHours":9.579336794378602,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:35","end":"10:35","startHours":9.579336794378602,"endHours":10.579336794378602,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:35","end":"11:35","startHours":10.579336794378602,"endHours":11.579336794378602,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:35","end":"12:35","startHours":11.579336794378602,"endHours":12.579336794378602,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:35","end":"13:35","startHours":12.579336794378602,"endHours":13.579336794378602,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:35","end":"14:35","startHours":13.579336794378602,"endHours":14.579336794378602,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:35","end":"15:35","startHours":14.579336794378602,"endHours":15.579336794378602,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:35","end":"16:35","startHours":15.579336794378602,"endHours":16.5793367943786,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:35","end":"17:35","startHours":16.5793367943786,"endHours":17.5793367943786,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:35","end":"18:35","startHours":17.5793367943786,"endHours":18.5793367943786,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:35","end":"19:35","startHours":18.5793367943786,"endHours":19.5793367943786,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:35","end":"20:35","startHours":19.5793367943786,"endHours":20.5793367943786,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:35","end":"21:35","startHours":20.5793367943786,"endHours":21.5793367943786,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:35","end":"22:35","startHours":21.5793367943786,"endHours":22.5793367943786,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:35","end":"23:35","startHours":22.5793367943786,"endHours":23.5793367943786,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:35","end":"00:35","startHours":23.5793367943786,"endHours":24.5793367943786,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:35","end":"01:35","startHours":24.5793367943786,"endHours":25.5793367943786,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:35","end":"02:35","startHours":25.5793367943786,"endHours":26.5793367943786,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:35","end":"03:35","startHours":26.5793367943786,"endHours":27.5793367943786,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:35","end":"04:35","startHours":27.5793367943786,"endHours":28.5793367943786,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:35","end":"05:35","startHours":28.5793367943786,"endHours":29.5793367943786,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"South-West","anandadiYoga":{"name":"Dhvaja","quality":"Auspicious"},"drikRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":21.078717682360775,"eotMinutes":-5.85591612050904,"ayanamsa":23.4834}},"calendars":{"vikram_samvat":2030,"vikram_samvatsara":"Akṣaya","saka_samvat":1895,"saka_samvatsara":"Pramādī","bengali_samvat":1380,"malayalam_era":1149,"nanakshahi_year":504,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Tṛtīyā · Vikram 2030 Akṣaya · Śaka 1895 Pramādī"},"festivals":[{"id":"karka-sankranti","name":"Karka Saṅkrānti (Dakṣiṇāyana)","name_sanskrit":"कर्क सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Cancer; Dakṣiṇāyana (south-going) begins. Devatā-rātri begins.","vrata":true,"detection":{"sun_rashi":"Karka"},"precedence":2}],"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":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"mathura"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga July 18, 1973 CE · Mathurā · Vidhyamitra","description":"July 18, 1973 CE for Mathurā: Kṛṣṇa Tṛtīyā, sūryodaya 05:35, sūryāsta 19:16.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mathura/1973-07-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mathura/1973-07-18","sa":"https://sa.vidhyamitra.com/city/mathura/1973-07-18","hi":"https://hi.vidhyamitra.com/city/mathura/1973-07-18","x-default":"https://vidhyamitra.com/city/mathura/1973-07-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T12:10:06.386Z","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":"2026-05-14T12:10:06.386Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T12:10:06.386Z","pillar_versions":{"BOB-History":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}