{"id":"vidhyamitra:city-day:sabarimala:2012-07-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/sabarimala/2012-07-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-07-31","date_display":"July 31, 2012 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":2012,"month":7,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456139.770833,"kali_year":5114,"ahargana":1867674.2708,"sun":{"sidereal_longitude":103.656,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":257.8763,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":154.2203,"elapsed_within_tithi_degrees":10.2203},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2,"moon_longitude":257.8763,"elapsed_within_degrees":4.543},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":1.5323},"karana":{"half_tithi_index":25,"name":"Taitila"},"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":2012,"month":7,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456139.770833,"ahargana":1867674.2708,"kali_year":5114,"ayanamsa_lahiri":24.0287,"grahas":{"sun":{"sidereal_longitude":104.21785599999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"moon":{"sidereal_longitude":256.53015600000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false,"latitude":2.6589},"mars":{"sidereal_longitude":171.23625600000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":100.30945600000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":45.787756,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":59.27515600000004,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":179.507656,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":221.6293,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":41.6293,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":"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":2012,"month":7,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456139.770833,"kali_year":5114,"ahargana":1867674.2708,"sun":{"sidereal_longitude":103.656,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":257.8763,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":154.2203,"elapsed_within_tithi_degrees":10.2203},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2,"moon_longitude":257.8763,"elapsed_within_degrees":4.543},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":1.5323},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.659,"elongation":154.22},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.659,"opposition_distance":25.78}},"eclipse_window_40days":[]},"city":{"slug":"sabarimala","name":"Sabarimalā (Ayyappa)","lat":9.4376,"lon":77.0808,"tz_offset_hours":5.5,"state":"Kerala","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"sabarimala","name":"Sabarimalā (Ayyappa)","lat":9.4376,"lon":77.0808,"tz_offset_hours":5.5,"state":"Kerala","country":"IN","tier":"tirtha"},"sunriseLocal":"06:12","sunsetLocal":"18:44","solarNoonLocal":"12:28","dayLengthHours":12.53650215743347,"dayLengthDisplay":"12 Hours 32 Mins 11 Secs","nightLengthDisplay":"11 Hours 27 Mins 49 Secs","moonriseLocal":"16:51","moonsetLocal":"04:23","rahuKala":{"name":"Rāhu Kāla","start":"15:36","end":"17:10","startHours":15.596595114564215,"endHours":17.1636578842434,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:20","end":"10:54","startHours":9.32834403584748,"endHours":10.895406805526664,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:28","end":"14:02","startHours":12.462469575205848,"endHours":14.02953234488503,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:07","end":"09:32","startHours":9.119402333223588,"endHours":9.537285738471372,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:43","end":"07:03","startHours":6.71657275304884,"endHours":7.050879477247066,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:03","end":"12:53","startHours":12.044586169958066,"endHours":12.88035298045363,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:31","end":"05:22","startHours":4.522684875497983,"endHours":5.358451685993548,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:09","end":"06:12","startHours":5.149509983369656,"endHours":6.194218496489112,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:33","end":"15:23","startHours":14.551886601444759,"endHours":15.387653411940324,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:32","end":"18:56","startHours":18.530720653922582,"endHours":18.93072065392258,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:44","end":"19:15","startHours":18.73072065392258,"endHours":19.253074910482308,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:29","end":"20:14","startHours":18.48072065392258,"endHours":20.23072065392258,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:03","end":"00:53","startHours":24.044586169958066,"endHours":24.88035298045363,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:12","end":"07:46","startHours":6.194218496489112,"endHours":7.761281266168296,"quality":"inauspicious"},{"name":"Udveg","start":"07:46","end":"09:20","startHours":7.761281266168296,"endHours":9.32834403584748,"quality":"inauspicious"},{"name":"Chala","start":"09:20","end":"10:54","startHours":9.32834403584748,"endHours":10.895406805526664,"quality":"neutral"},{"name":"Labha","start":"10:54","end":"12:28","startHours":10.895406805526664,"endHours":12.462469575205848,"quality":"auspicious"},{"name":"Amṛta","start":"12:28","end":"14:02","startHours":12.462469575205848,"endHours":14.02953234488503,"quality":"auspicious"},{"name":"Kāla","start":"14:02","end":"15:36","startHours":14.02953234488503,"endHours":15.596595114564215,"quality":"inauspicious"},{"name":"Śubha","start":"15:36","end":"17:10","startHours":15.596595114564215,"endHours":17.1636578842434,"quality":"auspicious"},{"name":"Roga","start":"17:10","end":"18:44","startHours":17.1636578842434,"endHours":18.73072065392258,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:44","end":"20:10","startHours":18.73072065392258,"endHours":20.1636578842434,"quality":"inauspicious"},{"name":"Śubha","start":"20:10","end":"21:36","startHours":20.1636578842434,"endHours":21.596595114564213,"quality":"auspicious"},{"name":"Roga","start":"21:36","end":"23:02","startHours":21.596595114564213,"endHours":23.02953234488503,"quality":"inauspicious"},{"name":"Udveg","start":"23:02","end":"00:28","startHours":23.02953234488503,"endHours":24.462469575205848,"quality":"inauspicious"},{"name":"Chala","start":"00:28","end":"01:54","startHours":24.462469575205848,"endHours":25.89540680552666,"quality":"neutral"},{"name":"Labha","start":"01:54","end":"03:20","startHours":25.89540680552666,"endHours":27.32834403584748,"quality":"auspicious"},{"name":"Amṛta","start":"03:20","end":"04:46","startHours":27.32834403584748,"endHours":28.761281266168297,"quality":"auspicious"},{"name":"Kāla","start":"04:46","end":"06:12","startHours":28.761281266168297,"endHours":30.194218496489114,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:12","end":"07:12","startHours":6.194218496489112,"endHours":7.194218496489112,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:12","end":"08:12","startHours":7.194218496489112,"endHours":8.194218496489112,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:12","end":"09:12","startHours":8.194218496489112,"endHours":9.194218496489112,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:12","end":"10:12","startHours":9.194218496489112,"endHours":10.194218496489112,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:12","end":"11:12","startHours":10.194218496489112,"endHours":11.194218496489112,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:12","end":"12:12","startHours":11.194218496489112,"endHours":12.194218496489112,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:12","end":"13:12","startHours":12.194218496489112,"endHours":13.194218496489112,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:12","end":"14:12","startHours":13.194218496489112,"endHours":14.194218496489112,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:12","end":"15:12","startHours":14.194218496489112,"endHours":15.194218496489112,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:12","end":"16:12","startHours":15.194218496489112,"endHours":16.194218496489114,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:12","end":"17:12","startHours":16.194218496489114,"endHours":17.194218496489114,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:12","end":"18:12","startHours":17.194218496489114,"endHours":18.194218496489114,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:12","end":"19:12","startHours":18.194218496489114,"endHours":19.194218496489114,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:12","end":"20:12","startHours":19.194218496489114,"endHours":20.194218496489114,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:12","end":"21:12","startHours":20.194218496489114,"endHours":21.194218496489114,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:12","end":"22:12","startHours":21.194218496489114,"endHours":22.194218496489114,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:12","end":"23:12","startHours":22.194218496489114,"endHours":23.194218496489114,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:12","end":"00:12","startHours":23.194218496489114,"endHours":24.194218496489114,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:12","end":"01:12","startHours":24.194218496489114,"endHours":25.194218496489114,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:12","end":"02:12","startHours":25.194218496489114,"endHours":26.194218496489114,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:12","end":"03:12","startHours":26.194218496489114,"endHours":27.194218496489114,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:12","end":"04:12","startHours":27.194218496489114,"endHours":28.194218496489114,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:12","end":"05:12","startHours":28.194218496489114,"endHours":29.194218496489114,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:12","end":"06:12","startHours":29.194218496489114,"endHours":30.194218496489114,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"North","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":18.201563174617185,"eotMinutes":-6.071374512350812,"ayanamsa":24.0287}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Trayodaśī · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"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":"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":"sabarimala"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga July 31, 2012 CE · Sabarimalā (Ayyappa) · Vidhyamitra","description":"July 31, 2012 CE for Sabarimalā (Ayyappa): Śukla Trayodaśī, sūryodaya 06:12, sūryāsta 18:44.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/sabarimala/2012-07-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/sabarimala/2012-07-31","sa":"https://sa.vidhyamitra.com/city/sabarimala/2012-07-31","hi":"https://hi.vidhyamitra.com/city/sabarimala/2012-07-31","x-default":"https://vidhyamitra.com/city/sabarimala/2012-07-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T00:09:17.816Z","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":"2026-06-01T00:09:17.816Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T00:09:17.816Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}