{"id":"vidhyamitra:city-day:ayodhya:2181-07-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2181-07-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2181-07-31","date_display":"July 31, 2181 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":2181,"month":7,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517865.770833,"kali_year":5283,"ahargana":1929400.2708,"sun":{"sidereal_longitude":101.0624,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":342.6369,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":241.5745,"elapsed_within_tithi_degrees":1.5745},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3,"moon_longitude":342.6369,"elapsed_within_degrees":9.3036},"yoga":{"number":7,"name":"Sukarma","sum_longitude":83.6993},"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":2181,"month":7,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2517865.770833,"ahargana":1929400.2708,"kali_year":5283,"ayanamsa_lahiri":26.3895,"grahas":{"sun":{"sidereal_longitude":102.017269,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"moon":{"sidereal_longitude":344.930769,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false,"latitude":2.1422},"mars":{"sidereal_longitude":136.27936899999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":125.512069,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":118.97476899999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":141.29386899999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":88.00936899999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":191.0887,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":11.0887,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","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":2181,"month":7,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517865.770833,"kali_year":5283,"ahargana":1929400.2708,"sun":{"sidereal_longitude":101.0624,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":342.6369,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":241.5745,"elapsed_within_tithi_degrees":1.5745},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3,"moon_longitude":342.6369,"elapsed_within_degrees":9.3036},"yoga":{"number":7,"name":"Sukarma","sum_longitude":83.6993},"karana":{"half_tithi_index":40,"name":"Gara"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.142,"elongation":118.425},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.142,"opposition_distance":61.575}},"eclipse_window_40days":[]},"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"05:25","sunsetLocal":"18:49","solarNoonLocal":"12:07","dayLengthHours":13.404568392438074,"dayLengthDisplay":"13 Hours 24 Mins 16 Secs","nightLengthDisplay":"10 Hours 35 Mins 44 Secs","moonriseLocal":"22:07","moonsetLocal":"10:31","rahuKala":{"name":"Rāhu Kāla","start":"15:28","end":"17:09","startHours":15.4720650066487,"endHours":17.147636055703458,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:46","end":"10:27","startHours":8.769780810429662,"endHours":10.445351859484422,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:07","end":"13:48","startHours":12.120922908539182,"endHours":13.79649395759394,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:33","end":"09:00","startHours":8.54637133722236,"endHours":8.993190283636963,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:59","end":"06:20","startHours":5.9771623953383965,"endHours":6.334617552470078,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:40","end":"12:34","startHours":11.67410396212458,"endHours":12.567741854953784,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:38","end":"04:32","startHours":3.631362926661734,"endHours":4.525000819490939,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:18","end":"05:25","startHours":4.3015913462836375,"endHours":5.418638712320144,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:21","end":"15:15","startHours":14.355017640612193,"endHours":15.248655533441397,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:37","end":"19:01","startHours":18.62320710475822,"endHours":19.023207104758217,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:49","end":"19:23","startHours":18.823207104758218,"endHours":19.381730787776473,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:34","end":"20:19","startHours":18.573207104758218,"endHours":20.323207104758218,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:40","end":"00:34","startHours":23.67410396212458,"endHours":24.567741854953784,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:25","end":"07:06","startHours":5.418638712320144,"endHours":7.094209761374903,"quality":"inauspicious"},{"name":"Udveg","start":"07:06","end":"08:46","startHours":7.094209761374903,"endHours":8.769780810429662,"quality":"inauspicious"},{"name":"Chala","start":"08:46","end":"10:27","startHours":8.769780810429662,"endHours":10.445351859484422,"quality":"neutral"},{"name":"Labha","start":"10:27","end":"12:07","startHours":10.445351859484422,"endHours":12.120922908539182,"quality":"auspicious"},{"name":"Amṛta","start":"12:07","end":"13:48","startHours":12.120922908539182,"endHours":13.79649395759394,"quality":"auspicious"},{"name":"Kāla","start":"13:48","end":"15:28","startHours":13.79649395759394,"endHours":15.4720650066487,"quality":"inauspicious"},{"name":"Śubha","start":"15:28","end":"17:09","startHours":15.4720650066487,"endHours":17.147636055703458,"quality":"auspicious"},{"name":"Roga","start":"17:09","end":"18:49","startHours":17.147636055703458,"endHours":18.823207104758218,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:49","end":"20:09","startHours":18.823207104758218,"endHours":20.147636055703458,"quality":"inauspicious"},{"name":"Śubha","start":"20:09","end":"21:28","startHours":20.147636055703458,"endHours":21.472065006648698,"quality":"auspicious"},{"name":"Roga","start":"21:28","end":"22:48","startHours":21.472065006648698,"endHours":22.79649395759394,"quality":"inauspicious"},{"name":"Udveg","start":"22:48","end":"00:07","startHours":22.79649395759394,"endHours":24.120922908539182,"quality":"inauspicious"},{"name":"Chala","start":"00:07","end":"01:27","startHours":24.120922908539182,"endHours":25.445351859484422,"quality":"neutral"},{"name":"Labha","start":"01:27","end":"02:46","startHours":25.445351859484422,"endHours":26.769780810429662,"quality":"auspicious"},{"name":"Amṛta","start":"02:46","end":"04:06","startHours":26.769780810429662,"endHours":28.094209761374906,"quality":"auspicious"},{"name":"Kāla","start":"04:06","end":"05:25","startHours":28.094209761374906,"endHours":29.418638712320146,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:25","end":"06:25","startHours":5.418638712320144,"endHours":6.418638712320144,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:25","end":"07:25","startHours":6.418638712320144,"endHours":7.418638712320144,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:25","end":"08:25","startHours":7.418638712320144,"endHours":8.418638712320144,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:25","end":"09:25","startHours":8.418638712320144,"endHours":9.418638712320144,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:25","end":"10:25","startHours":9.418638712320144,"endHours":10.418638712320144,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:25","end":"11:25","startHours":10.418638712320144,"endHours":11.418638712320144,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:25","end":"12:25","startHours":11.418638712320144,"endHours":12.418638712320144,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:25","end":"13:25","startHours":12.418638712320144,"endHours":13.418638712320144,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:25","end":"14:25","startHours":13.418638712320144,"endHours":14.418638712320144,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:25","end":"15:25","startHours":14.418638712320144,"endHours":15.418638712320144,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:25","end":"16:25","startHours":15.418638712320144,"endHours":16.418638712320146,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:25","end":"17:25","startHours":16.418638712320146,"endHours":17.418638712320146,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:25","end":"18:25","startHours":17.418638712320146,"endHours":18.418638712320146,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:25","end":"19:25","startHours":18.418638712320146,"endHours":19.418638712320146,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:25","end":"20:25","startHours":19.418638712320146,"endHours":20.418638712320146,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:25","end":"21:25","startHours":20.418638712320146,"endHours":21.418638712320146,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:25","end":"22:25","startHours":21.418638712320146,"endHours":22.418638712320146,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:25","end":"23:25","startHours":22.418638712320146,"endHours":23.418638712320146,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:25","end":"00:25","startHours":23.418638712320146,"endHours":24.418638712320146,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:25","end":"01:25","startHours":24.418638712320146,"endHours":25.418638712320146,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:25","end":"02:25","startHours":25.418638712320146,"endHours":26.418638712320146,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:25","end":"03:25","startHours":26.418638712320146,"endHours":27.418638712320146,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:25","end":"04:25","startHours":27.418638712320146,"endHours":28.418638712320146,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:25","end":"05:25","startHours":28.418638712320146,"endHours":29.418638712320146,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":18.15996995086457,"eotMinutes":-6.071374512350812,"ayanamsa":26.3895}},"calendars":{"vikram_samvat":2238,"vikram_samvatsara":"Jaya","saka_samvat":2103,"saka_samvatsara":"Vṛṣa","bengali_samvat":1588,"malayalam_era":1357,"nanakshahi_year":712,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Ṣaṣṭhī · Vikram 2238 Jaya · Śaka 2103 Vṛṣa"},"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":"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":"ayodhya"},"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, 2181 CE · Ayodhyā · Vidhyamitra","description":"July 31, 2181 CE for Ayodhyā: Kṛṣṇa Ṣaṣṭhī, sūryodaya 05:25, sūryāsta 18:49.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2181-07-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2181-07-31","sa":"https://sa.vidhyamitra.com/city/ayodhya/2181-07-31","hi":"https://hi.vidhyamitra.com/city/ayodhya/2181-07-31","x-default":"https://vidhyamitra.com/city/ayodhya/2181-07-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T11:03:22.808Z","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":"2026-05-21T11:03:22.808Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T11:03:22.808Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}